31604020

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:318

約数の個数: 96

約数和(自身を含む): 82252800

約数和(自身を除く): 50648780

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 271, 340, 343, 476, 490, 542, 595, 686, 833, 980, 1084, 1190, 1355, 1372, 1666, 1715, 1897, 2380, 2710, 3332, 3430, 3794, 4165, 4607, 5420, 5831, 6860, 7588, 8330, 9214, 9485, 11662, 13279, 16660, 18428, 18970, 23035, 23324, 26558, 29155, 32249, 37940, 46070, 53116, 58310, 64498, 66395, 92140, 92953, 116620, 128996, 132790, 161245, 185906, 225743, 265580, 322490, 371812, 451486, 464765, 644980, 902972, 929530, 1128715, 1580201, 1859060, 2257430, 3160402, 4514860, 6320804, 7901005, 15802010, 31604020]

約数ペア:

[(1, 31604020), (2, 15802010), (4, 7901005), (5, 6320804), (7, 4514860), (10, 3160402), (14, 2257430), (17, 1859060), (20, 1580201), (28, 1128715), (34, 929530), (35, 902972), (49, 644980), (68, 464765), (70, 451486), (85, 371812), (98, 322490), (119, 265580), (140, 225743), (170, 185906), (196, 161245), (238, 132790), (245, 128996), (271, 116620), (340, 92953), (343, 92140), (476, 66395), (490, 64498), (542, 58310), (595, 53116), (686, 46070), (833, 37940), (980, 32249), (1084, 29155), (1190, 26558), (1355, 23324), (1372, 23035), (1666, 18970), (1715, 18428), (1897, 16660), (2380, 13279), (2710, 11662), (3332, 9485), (3430, 9214), (3794, 8330), (4165, 7588), (4607, 6860), (5420, 5831)]