162903740

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{641}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 348806304

約数和(自身を除く): 185902564

約数列:

[1, 2, 4, 5, 10, 20, 97, 131, 194, 262, 388, 485, 524, 641, 655, 970, 1282, 1310, 1940, 2564, 2620, 3205, 6410, 12707, 12820, 25414, 50828, 62177, 63535, 83971, 124354, 127070, 167942, 248708, 254140, 310885, 335884, 419855, 621770, 839710, 1243540, 1679420, 8145187, 16290374, 32580748, 40725935, 81451870, 162903740]

約数ペア:

[(1, 162903740), (2, 81451870), (4, 40725935), (5, 32580748), (10, 16290374), (20, 8145187), (97, 1679420), (131, 1243540), (194, 839710), (262, 621770), (388, 419855), (485, 335884), (524, 310885), (641, 254140), (655, 248708), (970, 167942), (1282, 127070), (1310, 124354), (1940, 83971), (2564, 63535), (2620, 62177), (3205, 50828), (6410, 25414), (12707, 12820)]