200779900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{881}}^1$

素因数の和:991

約数の個数: 72

約数和(自身を含む): 454752144

約数和(自身を除く): 253972244

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 53, 86, 100, 106, 172, 212, 215, 265, 430, 530, 860, 881, 1060, 1075, 1325, 1762, 2150, 2279, 2650, 3524, 4300, 4405, 4558, 5300, 8810, 9116, 11395, 17620, 22025, 22790, 37883, 44050, 45580, 46693, 56975, 75766, 88100, 93386, 113950, 151532, 186772, 189415, 227900, 233465, 378830, 466930, 757660, 933860, 947075, 1167325, 1894150, 2007799, 2334650, 3788300, 4015598, 4669300, 8031196, 10038995, 20077990, 40155980, 50194975, 100389950, 200779900]

約数ペア:

[(1, 200779900), (2, 100389950), (4, 50194975), (5, 40155980), (10, 20077990), (20, 10038995), (25, 8031196), (43, 4669300), (50, 4015598), (53, 3788300), (86, 2334650), (100, 2007799), (106, 1894150), (172, 1167325), (212, 947075), (215, 933860), (265, 757660), (430, 466930), (530, 378830), (860, 233465), (881, 227900), (1060, 189415), (1075, 186772), (1325, 151532), (1762, 113950), (2150, 93386), (2279, 88100), (2650, 75766), (3524, 56975), (4300, 46693), (4405, 45580), (4558, 44050), (5300, 37883), (8810, 22790), (9116, 22025), (11395, 17620)]