214909890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{857}}^1$

素因数の和:1523

約数の個数: 64

約数和(自身を含む): 556972416

約数和(自身を除く): 342062526

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 643, 857, 1286, 1714, 1929, 2571, 3215, 3858, 4285, 5142, 6430, 8359, 8570, 9645, 11141, 12855, 16718, 19290, 22282, 25077, 25710, 33423, 41795, 50154, 55705, 66846, 83590, 111410, 125385, 167115, 250770, 334230, 551051, 1102102, 1653153, 2755255, 3306306, 5510510, 7163663, 8265765, 14327326, 16531530, 21490989, 35818315, 42981978, 71636630, 107454945, 214909890]

約数ペア:

[(1, 214909890), (2, 107454945), (3, 71636630), (5, 42981978), (6, 35818315), (10, 21490989), (13, 16531530), (15, 14327326), (26, 8265765), (30, 7163663), (39, 5510510), (65, 3306306), (78, 2755255), (130, 1653153), (195, 1102102), (390, 551051), (643, 334230), (857, 250770), (1286, 167115), (1714, 125385), (1929, 111410), (2571, 83590), (3215, 66846), (3858, 55705), (4285, 50154), (5142, 41795), (6430, 33423), (8359, 25710), (8570, 25077), (9645, 22282), (11141, 19290), (12855, 16718)]