9830980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 22296960

約数和(自身を除く): 12465980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 631, 779, 820, 1262, 1558, 2524, 3116, 3155, 3895, 6310, 7790, 11989, 12620, 15580, 23978, 25871, 47956, 51742, 59945, 103484, 119890, 129355, 239780, 258710, 491549, 517420, 983098, 1966196, 2457745, 4915490, 9830980]

約数ペア:

[(1, 9830980), (2, 4915490), (4, 2457745), (5, 1966196), (10, 983098), (19, 517420), (20, 491549), (38, 258710), (41, 239780), (76, 129355), (82, 119890), (95, 103484), (164, 59945), (190, 51742), (205, 47956), (380, 25871), (410, 23978), (631, 15580), (779, 12620), (820, 11989), (1262, 7790), (1558, 6310), (2524, 3895), (3116, 3155)]