55100500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:219

約数の個数: 144

約数和(自身を含む): 151626384

約数和(自身を除く): 96525884

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 65, 70, 91, 98, 100, 125, 130, 140, 173, 175, 182, 196, 245, 250, 260, 325, 346, 350, 364, 455, 490, 500, 637, 650, 692, 700, 865, 875, 910, 980, 1211, 1225, 1274, 1300, 1625, 1730, 1750, 1820, 2249, 2275, 2422, 2450, 2548, 3185, 3250, 3460, 3500, 4325, 4498, 4550, 4844, 4900, 6055, 6125, 6370, 6500, 8477, 8650, 8996, 9100, 11245, 11375, 12110, 12250, 12740, 15743, 15925, 16954, 17300, 21625, 22490, 22750, 24220, 24500, 30275, 31486, 31850, 33908, 42385, 43250, 44980, 45500, 56225, 60550, 62972, 63700, 78715, 79625, 84770, 86500, 110201, 112450, 121100, 151375, 157430, 159250, 169540, 211925, 220402, 224900, 281125, 302750, 314860, 318500, 393575, 423850, 440804, 551005, 562250, 605500, 787150, 847700, 1059625, 1102010, 1124500, 1574300, 1967875, 2119250, 2204020, 2755025, 3935750, 4238500, 5510050, 7871500, 11020100, 13775125, 27550250, 55100500]

約数ペア:

[(1, 55100500), (2, 27550250), (4, 13775125), (5, 11020100), (7, 7871500), (10, 5510050), (13, 4238500), (14, 3935750), (20, 2755025), (25, 2204020), (26, 2119250), (28, 1967875), (35, 1574300), (49, 1124500), (50, 1102010), (52, 1059625), (65, 847700), (70, 787150), (91, 605500), (98, 562250), (100, 551005), (125, 440804), (130, 423850), (140, 393575), (173, 318500), (175, 314860), (182, 302750), (196, 281125), (245, 224900), (250, 220402), (260, 211925), (325, 169540), (346, 159250), (350, 157430), (364, 151375), (455, 121100), (490, 112450), (500, 110201), (637, 86500), (650, 84770), (692, 79625), (700, 78715), (865, 63700), (875, 62972), (910, 60550), (980, 56225), (1211, 45500), (1225, 44980), (1274, 43250), (1300, 42385), (1625, 33908), (1730, 31850), (1750, 31486), (1820, 30275), (2249, 24500), (2275, 24220), (2422, 22750), (2450, 22490), (2548, 21625), (3185, 17300), (3250, 16954), (3460, 15925), (3500, 15743), (4325, 12740), (4498, 12250), (4550, 12110), (4844, 11375), (4900, 11245), (6055, 9100), (6125, 8996), (6370, 8650), (6500, 8477)]