266600000

素因数分解:

$2^6\times 5^5\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:111

約数の個数: 168

約数和(自身を含む): 698455296

約数和(自身を除く): 431855296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 43, 50, 62, 64, 80, 86, 100, 124, 125, 155, 160, 172, 200, 215, 248, 250, 310, 320, 344, 400, 430, 496, 500, 620, 625, 688, 775, 800, 860, 992, 1000, 1075, 1240, 1250, 1333, 1376, 1550, 1600, 1720, 1984, 2000, 2150, 2480, 2500, 2666, 2752, 3100, 3125, 3440, 3875, 4000, 4300, 4960, 5000, 5332, 5375, 6200, 6250, 6665, 6880, 7750, 8000, 8600, 9920, 10000, 10664, 10750, 12400, 12500, 13330, 13760, 15500, 17200, 19375, 20000, 21328, 21500, 24800, 25000, 26660, 26875, 31000, 33325, 34400, 38750, 40000, 42656, 43000, 49600, 50000, 53320, 53750, 62000, 66650, 68800, 77500, 85312, 86000, 96875, 100000, 106640, 107500, 124000, 133300, 134375, 155000, 166625, 172000, 193750, 200000, 213280, 215000, 248000, 266600, 268750, 310000, 333250, 344000, 387500, 426560, 430000, 533200, 537500, 620000, 666500, 775000, 833125, 860000, 1066400, 1075000, 1240000, 1333000, 1550000, 1666250, 1720000, 2132800, 2150000, 2666000, 3100000, 3332500, 4165625, 4300000, 5332000, 6200000, 6665000, 8331250, 8600000, 10664000, 13330000, 16662500, 26660000, 33325000, 53320000, 66650000, 133300000, 266600000]

約数ペア:

[(1, 266600000), (2, 133300000), (4, 66650000), (5, 53320000), (8, 33325000), (10, 26660000), (16, 16662500), (20, 13330000), (25, 10664000), (31, 8600000), (32, 8331250), (40, 6665000), (43, 6200000), (50, 5332000), (62, 4300000), (64, 4165625), (80, 3332500), (86, 3100000), (100, 2666000), (124, 2150000), (125, 2132800), (155, 1720000), (160, 1666250), (172, 1550000), (200, 1333000), (215, 1240000), (248, 1075000), (250, 1066400), (310, 860000), (320, 833125), (344, 775000), (400, 666500), (430, 620000), (496, 537500), (500, 533200), (620, 430000), (625, 426560), (688, 387500), (775, 344000), (800, 333250), (860, 310000), (992, 268750), (1000, 266600), (1075, 248000), (1240, 215000), (1250, 213280), (1333, 200000), (1376, 193750), (1550, 172000), (1600, 166625), (1720, 155000), (1984, 134375), (2000, 133300), (2150, 124000), (2480, 107500), (2500, 106640), (2666, 100000), (2752, 96875), (3100, 86000), (3125, 85312), (3440, 77500), (3875, 68800), (4000, 66650), (4300, 62000), (4960, 53750), (5000, 53320), (5332, 50000), (5375, 49600), (6200, 43000), (6250, 42656), (6665, 40000), (6880, 38750), (7750, 34400), (8000, 33325), (8600, 31000), (9920, 26875), (10000, 26660), (10664, 25000), (10750, 24800), (12400, 21500), (12500, 21328), (13330, 20000), (13760, 19375), (15500, 17200)]