71977700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:957

約数の個数: 72

約数和(自身を含む): 168426720

約数和(自身を除く): 96449020

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 172, 190, 215, 380, 430, 475, 817, 860, 881, 950, 1075, 1634, 1762, 1900, 2150, 3268, 3524, 4085, 4300, 4405, 8170, 8810, 16340, 16739, 17620, 20425, 22025, 33478, 37883, 40850, 44050, 66956, 75766, 81700, 83695, 88100, 151532, 167390, 189415, 334780, 378830, 418475, 719777, 757660, 836950, 947075, 1439554, 1673900, 1894150, 2879108, 3598885, 3788300, 7197770, 14395540, 17994425, 35988850, 71977700]

約数ペア:

[(1, 71977700), (2, 35988850), (4, 17994425), (5, 14395540), (10, 7197770), (19, 3788300), (20, 3598885), (25, 2879108), (38, 1894150), (43, 1673900), (50, 1439554), (76, 947075), (86, 836950), (95, 757660), (100, 719777), (172, 418475), (190, 378830), (215, 334780), (380, 189415), (430, 167390), (475, 151532), (817, 88100), (860, 83695), (881, 81700), (950, 75766), (1075, 66956), (1634, 44050), (1762, 40850), (1900, 37883), (2150, 33478), (3268, 22025), (3524, 20425), (4085, 17620), (4300, 16739), (4405, 16340), (8170, 8810)]