207958750

素因数分解:

$2^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:191

約数の個数: 80

約数和(自身を含む): 411955632

約数和(自身を除く): 203996882

約数列:

[1, 2, 5, 10, 25, 43, 50, 53, 73, 86, 106, 125, 146, 215, 250, 265, 365, 430, 530, 625, 730, 1075, 1250, 1325, 1825, 2150, 2279, 2650, 3139, 3650, 3869, 4558, 5375, 6278, 6625, 7738, 9125, 10750, 11395, 13250, 15695, 18250, 19345, 22790, 26875, 31390, 33125, 38690, 45625, 53750, 56975, 66250, 78475, 91250, 96725, 113950, 156950, 166367, 193450, 284875, 332734, 392375, 483625, 569750, 784750, 831835, 967250, 1424375, 1663670, 1961875, 2418125, 2848750, 3923750, 4159175, 4836250, 8318350, 20795875, 41591750, 103979375, 207958750]

約数ペア:

[(1, 207958750), (2, 103979375), (5, 41591750), (10, 20795875), (25, 8318350), (43, 4836250), (50, 4159175), (53, 3923750), (73, 2848750), (86, 2418125), (106, 1961875), (125, 1663670), (146, 1424375), (215, 967250), (250, 831835), (265, 784750), (365, 569750), (430, 483625), (530, 392375), (625, 332734), (730, 284875), (1075, 193450), (1250, 166367), (1325, 156950), (1825, 113950), (2150, 96725), (2279, 91250), (2650, 78475), (3139, 66250), (3650, 56975), (3869, 53750), (4558, 45625), (5375, 38690), (6278, 33125), (6625, 31390), (7738, 26875), (9125, 22790), (10750, 19345), (11395, 18250), (13250, 15695)]