8931100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 20776448

約数和(自身を除く): 11845348

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 43, 50, 62, 67, 86, 100, 124, 134, 155, 172, 215, 268, 310, 335, 430, 620, 670, 775, 860, 1075, 1333, 1340, 1550, 1675, 2077, 2150, 2666, 2881, 3100, 3350, 4154, 4300, 5332, 5762, 6665, 6700, 8308, 10385, 11524, 13330, 14405, 20770, 26660, 28810, 33325, 41540, 51925, 57620, 66650, 72025, 89311, 103850, 133300, 144050, 178622, 207700, 288100, 357244, 446555, 893110, 1786220, 2232775, 4465550, 8931100]

約数ペア:

[(1, 8931100), (2, 4465550), (4, 2232775), (5, 1786220), (10, 893110), (20, 446555), (25, 357244), (31, 288100), (43, 207700), (50, 178622), (62, 144050), (67, 133300), (86, 103850), (100, 89311), (124, 72025), (134, 66650), (155, 57620), (172, 51925), (215, 41540), (268, 33325), (310, 28810), (335, 26660), (430, 20770), (620, 14405), (670, 13330), (775, 11524), (860, 10385), (1075, 8308), (1333, 6700), (1340, 6665), (1550, 5762), (1675, 5332), (2077, 4300), (2150, 4154), (2666, 3350), (2881, 3100)]