88438100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 199133088

約数和(自身を除く): 110694988

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 131, 157, 172, 215, 262, 314, 430, 524, 628, 655, 785, 860, 1075, 1310, 1570, 2150, 2620, 3140, 3275, 3925, 4300, 5633, 6550, 6751, 7850, 11266, 13100, 13502, 15700, 20567, 22532, 27004, 28165, 33755, 41134, 56330, 67510, 82268, 102835, 112660, 135020, 140825, 168775, 205670, 281650, 337550, 411340, 514175, 563300, 675100, 884381, 1028350, 1768762, 2056700, 3537524, 4421905, 8843810, 17687620, 22109525, 44219050, 88438100]

約数ペア:

[(1, 88438100), (2, 44219050), (4, 22109525), (5, 17687620), (10, 8843810), (20, 4421905), (25, 3537524), (43, 2056700), (50, 1768762), (86, 1028350), (100, 884381), (131, 675100), (157, 563300), (172, 514175), (215, 411340), (262, 337550), (314, 281650), (430, 205670), (524, 168775), (628, 140825), (655, 135020), (785, 112660), (860, 102835), (1075, 82268), (1310, 67510), (1570, 56330), (2150, 41134), (2620, 33755), (3140, 28165), (3275, 27004), (3925, 22532), (4300, 20567), (5633, 15700), (6550, 13502), (6751, 13100), (7850, 11266)]