238420000

素因数分解:

$2^5\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:181

約数の個数: 240

約数和(自身を含む): 727417152

約数和(自身を除く): 488997152

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 125, 130, 131, 140, 160, 175, 182, 200, 208, 224, 250, 260, 262, 280, 325, 350, 364, 400, 416, 455, 500, 520, 524, 560, 625, 650, 655, 700, 728, 800, 875, 910, 917, 1000, 1040, 1048, 1120, 1250, 1300, 1310, 1400, 1456, 1625, 1703, 1750, 1820, 1834, 2000, 2080, 2096, 2275, 2500, 2600, 2620, 2800, 2912, 3250, 3275, 3406, 3500, 3640, 3668, 4000, 4192, 4375, 4550, 4585, 5000, 5200, 5240, 5600, 6500, 6550, 6812, 7000, 7280, 7336, 8125, 8515, 8750, 9100, 9170, 10000, 10400, 10480, 11375, 11921, 13000, 13100, 13624, 14000, 14560, 14672, 16250, 16375, 17030, 17500, 18200, 18340, 20000, 20960, 22750, 22925, 23842, 26000, 26200, 27248, 28000, 29344, 32500, 32750, 34060, 35000, 36400, 36680, 42575, 45500, 45850, 47684, 52000, 52400, 54496, 56875, 59605, 65000, 65500, 68120, 70000, 72800, 73360, 81875, 85150, 91000, 91700, 95368, 104800, 113750, 114625, 119210, 130000, 131000, 136240, 140000, 146720, 163750, 170300, 182000, 183400, 190736, 212875, 227500, 229250, 238420, 260000, 262000, 272480, 298025, 327500, 340600, 364000, 366800, 381472, 425750, 455000, 458500, 476840, 524000, 573125, 596050, 655000, 681200, 733600, 851500, 910000, 917000, 953680, 1064375, 1146250, 1192100, 1310000, 1362400, 1490125, 1703000, 1820000, 1834000, 1907360, 2128750, 2292500, 2384200, 2620000, 2980250, 3406000, 3668000, 4257500, 4585000, 4768400, 5960500, 6812000, 7450625, 8515000, 9170000, 9536800, 11921000, 14901250, 17030000, 18340000, 23842000, 29802500, 34060000, 47684000, 59605000, 119210000, 238420000]

約数ペア:

[(1, 238420000), (2, 119210000), (4, 59605000), (5, 47684000), (7, 34060000), (8, 29802500), (10, 23842000), (13, 18340000), (14, 17030000), (16, 14901250), (20, 11921000), (25, 9536800), (26, 9170000), (28, 8515000), (32, 7450625), (35, 6812000), (40, 5960500), (50, 4768400), (52, 4585000), (56, 4257500), (65, 3668000), (70, 3406000), (80, 2980250), (91, 2620000), (100, 2384200), (104, 2292500), (112, 2128750), (125, 1907360), (130, 1834000), (131, 1820000), (140, 1703000), (160, 1490125), (175, 1362400), (182, 1310000), (200, 1192100), (208, 1146250), (224, 1064375), (250, 953680), (260, 917000), (262, 910000), (280, 851500), (325, 733600), (350, 681200), (364, 655000), (400, 596050), (416, 573125), (455, 524000), (500, 476840), (520, 458500), (524, 455000), (560, 425750), (625, 381472), (650, 366800), (655, 364000), (700, 340600), (728, 327500), (800, 298025), (875, 272480), (910, 262000), (917, 260000), (1000, 238420), (1040, 229250), (1048, 227500), (1120, 212875), (1250, 190736), (1300, 183400), (1310, 182000), (1400, 170300), (1456, 163750), (1625, 146720), (1703, 140000), (1750, 136240), (1820, 131000), (1834, 130000), (2000, 119210), (2080, 114625), (2096, 113750), (2275, 104800), (2500, 95368), (2600, 91700), (2620, 91000), (2800, 85150), (2912, 81875), (3250, 73360), (3275, 72800), (3406, 70000), (3500, 68120), (3640, 65500), (3668, 65000), (4000, 59605), (4192, 56875), (4375, 54496), (4550, 52400), (4585, 52000), (5000, 47684), (5200, 45850), (5240, 45500), (5600, 42575), (6500, 36680), (6550, 36400), (6812, 35000), (7000, 34060), (7280, 32750), (7336, 32500), (8125, 29344), (8515, 28000), (8750, 27248), (9100, 26200), (9170, 26000), (10000, 23842), (10400, 22925), (10480, 22750), (11375, 20960), (11921, 20000), (13000, 18340), (13100, 18200), (13624, 17500), (14000, 17030), (14560, 16375), (14672, 16250)]