3047980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 7267680

約数和(自身を除く): 4219700

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 617, 988, 1234, 1235, 2468, 2470, 3085, 4940, 6170, 8021, 11723, 12340, 16042, 23446, 32084, 40105, 46892, 58615, 80210, 117230, 152399, 160420, 234460, 304798, 609596, 761995, 1523990, 3047980]

約数ペア:

[(1, 3047980), (2, 1523990), (4, 761995), (5, 609596), (10, 304798), (13, 234460), (19, 160420), (20, 152399), (26, 117230), (38, 80210), (52, 58615), (65, 46892), (76, 40105), (95, 32084), (130, 23446), (190, 16042), (247, 12340), (260, 11723), (380, 8021), (494, 6170), (617, 4940), (988, 3085), (1234, 2470), (1235, 2468)]