247338520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{3931}}^1$

素因数の和:3977

約数の個数: 96

約数和(自身を含む): 658924560

約数和(自身を除く): 411586040

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 121, 130, 143, 220, 242, 260, 286, 440, 484, 520, 572, 605, 715, 968, 1144, 1210, 1430, 1573, 2420, 2860, 3146, 3931, 4840, 5720, 6292, 7862, 7865, 12584, 15724, 15730, 19655, 31448, 31460, 39310, 43241, 51103, 62920, 78620, 86482, 102206, 157240, 172964, 204412, 216205, 255515, 345928, 408824, 432410, 475651, 511030, 562133, 864820, 951302, 1022060, 1124266, 1729640, 1902604, 2044120, 2248532, 2378255, 2810665, 3805208, 4497064, 4756510, 5621330, 6183463, 9513020, 11242660, 12366926, 19026040, 22485320, 24733852, 30917315, 49467704, 61834630, 123669260, 247338520]

約数ペア:

[(1, 247338520), (2, 123669260), (4, 61834630), (5, 49467704), (8, 30917315), (10, 24733852), (11, 22485320), (13, 19026040), (20, 12366926), (22, 11242660), (26, 9513020), (40, 6183463), (44, 5621330), (52, 4756510), (55, 4497064), (65, 3805208), (88, 2810665), (104, 2378255), (110, 2248532), (121, 2044120), (130, 1902604), (143, 1729640), (220, 1124266), (242, 1022060), (260, 951302), (286, 864820), (440, 562133), (484, 511030), (520, 475651), (572, 432410), (605, 408824), (715, 345928), (968, 255515), (1144, 216205), (1210, 204412), (1430, 172964), (1573, 157240), (2420, 102206), (2860, 86482), (3146, 78620), (3931, 62920), (4840, 51103), (5720, 43241), (6292, 39310), (7862, 31460), (7865, 31448), (12584, 19655), (15724, 15730)]