707420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 1763328

約数和(自身を除く): 1055908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 163, 217, 310, 326, 434, 620, 652, 815, 868, 1085, 1141, 1630, 2170, 2282, 3260, 4340, 4564, 5053, 5705, 10106, 11410, 20212, 22820, 25265, 35371, 50530, 70742, 101060, 141484, 176855, 353710, 707420]

約数ペア:

[(1, 707420), (2, 353710), (4, 176855), (5, 141484), (7, 101060), (10, 70742), (14, 50530), (20, 35371), (28, 25265), (31, 22820), (35, 20212), (62, 11410), (70, 10106), (124, 5705), (140, 5053), (155, 4564), (163, 4340), (217, 3260), (310, 2282), (326, 2170), (434, 1630), (620, 1141), (652, 1085), (815, 868)]