253444840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1093}}^1$

素因数の和:1163

約数の個数: 128

約数和(自身を含む): 680555520

約数和(自身を除く): 427110680

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 31, 34, 40, 44, 55, 62, 68, 85, 88, 110, 124, 136, 155, 170, 187, 220, 248, 310, 340, 341, 374, 440, 527, 620, 680, 682, 748, 935, 1054, 1093, 1240, 1364, 1496, 1705, 1870, 2108, 2186, 2635, 2728, 3410, 3740, 4216, 4372, 5270, 5465, 5797, 6820, 7480, 8744, 10540, 10930, 11594, 12023, 13640, 18581, 21080, 21860, 23188, 24046, 28985, 33883, 37162, 43720, 46376, 48092, 57970, 60115, 67766, 74324, 92905, 96184, 115940, 120230, 135532, 148648, 169415, 185810, 204391, 231880, 240460, 271064, 338830, 371620, 372713, 408782, 480920, 576011, 677660, 743240, 745426, 817564, 1021955, 1152022, 1355320, 1490852, 1635128, 1863565, 2043910, 2304044, 2880055, 2981704, 3727130, 4087820, 4608088, 5760110, 6336121, 7454260, 8175640, 11520220, 12672242, 14908520, 23040440, 25344484, 31680605, 50688968, 63361210, 126722420, 253444840]

約数ペア:

[(1, 253444840), (2, 126722420), (4, 63361210), (5, 50688968), (8, 31680605), (10, 25344484), (11, 23040440), (17, 14908520), (20, 12672242), (22, 11520220), (31, 8175640), (34, 7454260), (40, 6336121), (44, 5760110), (55, 4608088), (62, 4087820), (68, 3727130), (85, 2981704), (88, 2880055), (110, 2304044), (124, 2043910), (136, 1863565), (155, 1635128), (170, 1490852), (187, 1355320), (220, 1152022), (248, 1021955), (310, 817564), (340, 745426), (341, 743240), (374, 677660), (440, 576011), (527, 480920), (620, 408782), (680, 372713), (682, 371620), (748, 338830), (935, 271064), (1054, 240460), (1093, 231880), (1240, 204391), (1364, 185810), (1496, 169415), (1705, 148648), (1870, 135532), (2108, 120230), (2186, 115940), (2635, 96184), (2728, 92905), (3410, 74324), (3740, 67766), (4216, 60115), (4372, 57970), (5270, 48092), (5465, 46376), (5797, 43720), (6820, 37162), (7480, 33883), (8744, 28985), (10540, 24046), (10930, 23188), (11594, 21860), (12023, 21080), (13640, 18581)]