28897960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{467}}^1$

素因数の和:515

約数の個数: 128

約数和(自身を含む): 84913920

約数和(自身を除く): 56015960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 340, 364, 442, 455, 467, 476, 520, 595, 680, 728, 884, 910, 934, 952, 1105, 1190, 1547, 1768, 1820, 1868, 2210, 2335, 2380, 3094, 3269, 3640, 3736, 4420, 4670, 4760, 6071, 6188, 6538, 7735, 7939, 8840, 9340, 12142, 12376, 13076, 15470, 15878, 16345, 18680, 24284, 26152, 30355, 30940, 31756, 32690, 39695, 42497, 48568, 55573, 60710, 61880, 63512, 65380, 79390, 84994, 103207, 111146, 121420, 130760, 158780, 169988, 206414, 212485, 222292, 242840, 277865, 317560, 339976, 412828, 424970, 444584, 516035, 555730, 722449, 825656, 849940, 1032070, 1111460, 1444898, 1699880, 2064140, 2222920, 2889796, 3612245, 4128280, 5779592, 7224490, 14448980, 28897960]

約数ペア:

[(1, 28897960), (2, 14448980), (4, 7224490), (5, 5779592), (7, 4128280), (8, 3612245), (10, 2889796), (13, 2222920), (14, 2064140), (17, 1699880), (20, 1444898), (26, 1111460), (28, 1032070), (34, 849940), (35, 825656), (40, 722449), (52, 555730), (56, 516035), (65, 444584), (68, 424970), (70, 412828), (85, 339976), (91, 317560), (104, 277865), (119, 242840), (130, 222292), (136, 212485), (140, 206414), (170, 169988), (182, 158780), (221, 130760), (238, 121420), (260, 111146), (280, 103207), (340, 84994), (364, 79390), (442, 65380), (455, 63512), (467, 61880), (476, 60710), (520, 55573), (595, 48568), (680, 42497), (728, 39695), (884, 32690), (910, 31756), (934, 30940), (952, 30355), (1105, 26152), (1190, 24284), (1547, 18680), (1768, 16345), (1820, 15878), (1868, 15470), (2210, 13076), (2335, 12376), (2380, 12142), (3094, 9340), (3269, 8840), (3640, 7939), (3736, 7735), (4420, 6538), (4670, 6188), (4760, 6071)]