20199763100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{71453}}^1$

素因数の和:71735

約数の個数: 72

約数和(自身を含む): 48005083728

約数和(自身を除く): 27805320628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 257, 275, 514, 550, 1028, 1100, 1285, 2570, 2827, 5140, 5654, 6425, 11308, 12850, 14135, 25700, 28270, 56540, 70675, 71453, 141350, 142906, 282700, 285812, 357265, 714530, 785983, 1429060, 1571966, 1786325, 3143932, 3572650, 3929915, 7145300, 7859830, 15719660, 18363421, 19649575, 36726842, 39299150, 73453684, 78598300, 91817105, 183634210, 201997631, 367268420, 403995262, 459085525, 807990524, 918171050, 1009988155, 1836342100, 2019976310, 4039952620, 5049940775, 10099881550, 20199763100]

約数ペア:

[(1, 20199763100), (2, 10099881550), (4, 5049940775), (5, 4039952620), (10, 2019976310), (11, 1836342100), (20, 1009988155), (22, 918171050), (25, 807990524), (44, 459085525), (50, 403995262), (55, 367268420), (100, 201997631), (110, 183634210), (220, 91817105), (257, 78598300), (275, 73453684), (514, 39299150), (550, 36726842), (1028, 19649575), (1100, 18363421), (1285, 15719660), (2570, 7859830), (2827, 7145300), (5140, 3929915), (5654, 3572650), (6425, 3143932), (11308, 1786325), (12850, 1571966), (14135, 1429060), (25700, 785983), (28270, 714530), (56540, 357265), (70675, 285812), (71453, 282700), (141350, 142906)]