28815430

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 62668800

約数和(自身を除く): 33853370

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 217, 245, 271, 310, 343, 434, 490, 542, 686, 1085, 1355, 1519, 1715, 1897, 2170, 2710, 3038, 3430, 3794, 7595, 8401, 9485, 10633, 13279, 15190, 16802, 18970, 21266, 26558, 42005, 53165, 58807, 66395, 84010, 92953, 106330, 117614, 132790, 185906, 294035, 411649, 464765, 588070, 823298, 929530, 2058245, 2881543, 4116490, 5763086, 14407715, 28815430]

約数ペア:

[(1, 28815430), (2, 14407715), (5, 5763086), (7, 4116490), (10, 2881543), (14, 2058245), (31, 929530), (35, 823298), (49, 588070), (62, 464765), (70, 411649), (98, 294035), (155, 185906), (217, 132790), (245, 117614), (271, 106330), (310, 92953), (343, 84010), (434, 66395), (490, 58807), (542, 53165), (686, 42005), (1085, 26558), (1355, 21266), (1519, 18970), (1715, 16802), (1897, 15190), (2170, 13279), (2710, 10633), (3038, 9485), (3430, 8401), (3794, 7595)]