30889820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:104

約数の個数: 96

約数和(自身を含む): 75969600

約数和(自身を除く): 45079780

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 37, 38, 52, 65, 74, 76, 95, 130, 148, 169, 185, 190, 247, 260, 338, 370, 380, 481, 494, 676, 703, 740, 845, 962, 988, 1235, 1406, 1690, 1924, 2197, 2405, 2470, 2812, 3211, 3380, 3515, 4394, 4810, 4940, 6253, 6422, 7030, 8788, 9139, 9620, 10985, 12506, 12844, 14060, 16055, 18278, 21970, 25012, 31265, 32110, 36556, 41743, 43940, 45695, 62530, 64220, 81289, 83486, 91390, 118807, 125060, 162578, 166972, 182780, 208715, 237614, 325156, 406445, 417430, 475228, 594035, 812890, 834860, 1188070, 1544491, 1625780, 2376140, 3088982, 6177964, 7722455, 15444910, 30889820]

約数ペア:

[(1, 30889820), (2, 15444910), (4, 7722455), (5, 6177964), (10, 3088982), (13, 2376140), (19, 1625780), (20, 1544491), (26, 1188070), (37, 834860), (38, 812890), (52, 594035), (65, 475228), (74, 417430), (76, 406445), (95, 325156), (130, 237614), (148, 208715), (169, 182780), (185, 166972), (190, 162578), (247, 125060), (260, 118807), (338, 91390), (370, 83486), (380, 81289), (481, 64220), (494, 62530), (676, 45695), (703, 43940), (740, 41743), (845, 36556), (962, 32110), (988, 31265), (1235, 25012), (1406, 21970), (1690, 18278), (1924, 16055), (2197, 14060), (2405, 12844), (2470, 12506), (2812, 10985), (3211, 9620), (3380, 9139), (3515, 8788), (4394, 7030), (4810, 6422), (4940, 6253)]