11889220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{521}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 28764288

約数和(自身を除く): 16875068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 521, 652, 815, 1042, 1141, 1630, 2084, 2282, 2605, 3260, 3647, 4564, 5210, 5705, 7294, 10420, 11410, 14588, 18235, 22820, 36470, 72940, 84923, 169846, 339692, 424615, 594461, 849230, 1188922, 1698460, 2377844, 2972305, 5944610, 11889220]

約数ペア:

[(1, 11889220), (2, 5944610), (4, 2972305), (5, 2377844), (7, 1698460), (10, 1188922), (14, 849230), (20, 594461), (28, 424615), (35, 339692), (70, 169846), (140, 84923), (163, 72940), (326, 36470), (521, 22820), (652, 18235), (815, 14588), (1042, 11410), (1141, 10420), (1630, 7294), (2084, 5705), (2282, 5210), (2605, 4564), (3260, 3647)]