28783480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 75171600

約数和(自身を除く): 46388120

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 121, 152, 190, 209, 220, 242, 313, 380, 418, 440, 484, 605, 626, 760, 836, 968, 1045, 1210, 1252, 1565, 1672, 2090, 2299, 2420, 2504, 3130, 3443, 4180, 4598, 4840, 5947, 6260, 6886, 8360, 9196, 11495, 11894, 12520, 13772, 17215, 18392, 22990, 23788, 27544, 29735, 34430, 37873, 45980, 47576, 59470, 65417, 68860, 75746, 91960, 118940, 130834, 137720, 151492, 189365, 237880, 261668, 302984, 327085, 378730, 523336, 654170, 719587, 757460, 1308340, 1439174, 1514920, 2616680, 2878348, 3597935, 5756696, 7195870, 14391740, 28783480]

約数ペア:

[(1, 28783480), (2, 14391740), (4, 7195870), (5, 5756696), (8, 3597935), (10, 2878348), (11, 2616680), (19, 1514920), (20, 1439174), (22, 1308340), (38, 757460), (40, 719587), (44, 654170), (55, 523336), (76, 378730), (88, 327085), (95, 302984), (110, 261668), (121, 237880), (152, 189365), (190, 151492), (209, 137720), (220, 130834), (242, 118940), (313, 91960), (380, 75746), (418, 68860), (440, 65417), (484, 59470), (605, 47576), (626, 45980), (760, 37873), (836, 34430), (968, 29735), (1045, 27544), (1210, 23788), (1252, 22990), (1565, 18392), (1672, 17215), (2090, 13772), (2299, 12520), (2420, 11894), (2504, 11495), (3130, 9196), (3443, 8360), (4180, 6886), (4598, 6260), (4840, 5947)]