168418100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{739}}^1$

素因数の和:849

約数の個数: 72

約数和(自身を含む): 381538080

約数和(自身を除く): 213119980

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 53, 86, 100, 106, 172, 212, 215, 265, 430, 530, 739, 860, 1060, 1075, 1325, 1478, 2150, 2279, 2650, 2956, 3695, 4300, 4558, 5300, 7390, 9116, 11395, 14780, 18475, 22790, 31777, 36950, 39167, 45580, 56975, 63554, 73900, 78334, 113950, 127108, 156668, 158885, 195835, 227900, 317770, 391670, 635540, 783340, 794425, 979175, 1588850, 1684181, 1958350, 3177700, 3368362, 3916700, 6736724, 8420905, 16841810, 33683620, 42104525, 84209050, 168418100]

約数ペア:

[(1, 168418100), (2, 84209050), (4, 42104525), (5, 33683620), (10, 16841810), (20, 8420905), (25, 6736724), (43, 3916700), (50, 3368362), (53, 3177700), (86, 1958350), (100, 1684181), (106, 1588850), (172, 979175), (212, 794425), (215, 783340), (265, 635540), (430, 391670), (530, 317770), (739, 227900), (860, 195835), (1060, 158885), (1075, 156668), (1325, 127108), (1478, 113950), (2150, 78334), (2279, 73900), (2650, 63554), (2956, 56975), (3695, 45580), (4300, 39167), (4558, 36950), (5300, 31777), (7390, 22790), (9116, 18475), (11395, 14780)]