138281910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20857}}^1$

素因数の和:20897

約数の個数: 64

約数和(自身を含む): 378447552

約数和(自身を除く): 240165642

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 20857, 41714, 62571, 104285, 125142, 208570, 271141, 312855, 354569, 542282, 625710, 709138, 813423, 1063707, 1355705, 1626846, 1772845, 2127414, 2711410, 3545690, 4067115, 4609397, 5318535, 8134230, 9218794, 10637070, 13828191, 23046985, 27656382, 46093970, 69140955, 138281910]

約数ペア:

[(1, 138281910), (2, 69140955), (3, 46093970), (5, 27656382), (6, 23046985), (10, 13828191), (13, 10637070), (15, 9218794), (17, 8134230), (26, 5318535), (30, 4609397), (34, 4067115), (39, 3545690), (51, 2711410), (65, 2127414), (78, 1772845), (85, 1626846), (102, 1355705), (130, 1063707), (170, 813423), (195, 709138), (221, 625710), (255, 542282), (390, 354569), (442, 312855), (510, 271141), (663, 208570), (1105, 125142), (1326, 104285), (2210, 62571), (3315, 41714), (6630, 20857)]