42135700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 96243840

約数和(自身を除く): 54108140

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 43, 50, 82, 86, 100, 164, 172, 205, 215, 239, 410, 430, 478, 820, 860, 956, 1025, 1075, 1195, 1763, 2050, 2150, 2390, 3526, 4100, 4300, 4780, 5975, 7052, 8815, 9799, 10277, 11950, 17630, 19598, 20554, 23900, 35260, 39196, 41108, 44075, 48995, 51385, 88150, 97990, 102770, 176300, 195980, 205540, 244975, 256925, 421357, 489950, 513850, 842714, 979900, 1027700, 1685428, 2106785, 4213570, 8427140, 10533925, 21067850, 42135700]

約数ペア:

[(1, 42135700), (2, 21067850), (4, 10533925), (5, 8427140), (10, 4213570), (20, 2106785), (25, 1685428), (41, 1027700), (43, 979900), (50, 842714), (82, 513850), (86, 489950), (100, 421357), (164, 256925), (172, 244975), (205, 205540), (215, 195980), (239, 176300), (410, 102770), (430, 97990), (478, 88150), (820, 51385), (860, 48995), (956, 44075), (1025, 41108), (1075, 39196), (1195, 35260), (1763, 23900), (2050, 20554), (2150, 19598), (2390, 17630), (3526, 11950), (4100, 10277), (4300, 9799), (4780, 8815), (5975, 7052)]