220400000

素因数分解:

$2^7\times 5^5\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:87

約数の個数: 192

約数和(自身を含む): 597618000

約数和(自身を除く): 377218000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 29, 32, 38, 40, 50, 58, 64, 76, 80, 95, 100, 116, 125, 128, 145, 152, 160, 190, 200, 232, 250, 290, 304, 320, 380, 400, 464, 475, 500, 551, 580, 608, 625, 640, 725, 760, 800, 928, 950, 1000, 1102, 1160, 1216, 1250, 1450, 1520, 1600, 1856, 1900, 2000, 2204, 2320, 2375, 2432, 2500, 2755, 2900, 3040, 3125, 3200, 3625, 3712, 3800, 4000, 4408, 4640, 4750, 5000, 5510, 5800, 6080, 6250, 7250, 7600, 8000, 8816, 9280, 9500, 10000, 11020, 11600, 11875, 12160, 12500, 13775, 14500, 15200, 16000, 17632, 18125, 18560, 19000, 20000, 22040, 23200, 23750, 25000, 27550, 29000, 30400, 35264, 36250, 38000, 40000, 44080, 46400, 47500, 50000, 55100, 58000, 59375, 60800, 68875, 70528, 72500, 76000, 80000, 88160, 90625, 92800, 95000, 100000, 110200, 116000, 118750, 137750, 145000, 152000, 176320, 181250, 190000, 200000, 220400, 232000, 237500, 275500, 290000, 304000, 344375, 352640, 362500, 380000, 400000, 440800, 464000, 475000, 551000, 580000, 688750, 725000, 760000, 881600, 950000, 1102000, 1160000, 1377500, 1450000, 1520000, 1721875, 1763200, 1900000, 2204000, 2320000, 2755000, 2900000, 3443750, 3800000, 4408000, 5510000, 5800000, 6887500, 7600000, 8816000, 11020000, 11600000, 13775000, 22040000, 27550000, 44080000, 55100000, 110200000, 220400000]

約数ペア:

[(1, 220400000), (2, 110200000), (4, 55100000), (5, 44080000), (8, 27550000), (10, 22040000), (16, 13775000), (19, 11600000), (20, 11020000), (25, 8816000), (29, 7600000), (32, 6887500), (38, 5800000), (40, 5510000), (50, 4408000), (58, 3800000), (64, 3443750), (76, 2900000), (80, 2755000), (95, 2320000), (100, 2204000), (116, 1900000), (125, 1763200), (128, 1721875), (145, 1520000), (152, 1450000), (160, 1377500), (190, 1160000), (200, 1102000), (232, 950000), (250, 881600), (290, 760000), (304, 725000), (320, 688750), (380, 580000), (400, 551000), (464, 475000), (475, 464000), (500, 440800), (551, 400000), (580, 380000), (608, 362500), (625, 352640), (640, 344375), (725, 304000), (760, 290000), (800, 275500), (928, 237500), (950, 232000), (1000, 220400), (1102, 200000), (1160, 190000), (1216, 181250), (1250, 176320), (1450, 152000), (1520, 145000), (1600, 137750), (1856, 118750), (1900, 116000), (2000, 110200), (2204, 100000), (2320, 95000), (2375, 92800), (2432, 90625), (2500, 88160), (2755, 80000), (2900, 76000), (3040, 72500), (3125, 70528), (3200, 68875), (3625, 60800), (3712, 59375), (3800, 58000), (4000, 55100), (4408, 50000), (4640, 47500), (4750, 46400), (5000, 44080), (5510, 40000), (5800, 38000), (6080, 36250), (6250, 35264), (7250, 30400), (7600, 29000), (8000, 27550), (8816, 25000), (9280, 23750), (9500, 23200), (10000, 22040), (11020, 20000), (11600, 19000), (11875, 18560), (12160, 18125), (12500, 17632), (13775, 16000), (14500, 15200)]