28204360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:143

約数の個数: 128

約数和(自身を含む): 73872000

約数和(自身を除く): 45667640

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 37, 38, 40, 59, 68, 74, 76, 85, 95, 118, 136, 148, 152, 170, 185, 190, 236, 295, 296, 323, 340, 370, 380, 472, 590, 629, 646, 680, 703, 740, 760, 1003, 1121, 1180, 1258, 1292, 1406, 1480, 1615, 2006, 2183, 2242, 2360, 2516, 2584, 2812, 3145, 3230, 3515, 4012, 4366, 4484, 5015, 5032, 5605, 5624, 6290, 6460, 7030, 8024, 8732, 8968, 10030, 10915, 11210, 11951, 12580, 12920, 14060, 17464, 19057, 20060, 21830, 22420, 23902, 25160, 28120, 37111, 38114, 40120, 41477, 43660, 44840, 47804, 59755, 74222, 76228, 82954, 87320, 95285, 95608, 119510, 148444, 152456, 165908, 185555, 190570, 207385, 239020, 296888, 331816, 371110, 381140, 414770, 478040, 705109, 742220, 762280, 829540, 1410218, 1484440, 1659080, 2820436, 3525545, 5640872, 7051090, 14102180, 28204360]

約数ペア:

[(1, 28204360), (2, 14102180), (4, 7051090), (5, 5640872), (8, 3525545), (10, 2820436), (17, 1659080), (19, 1484440), (20, 1410218), (34, 829540), (37, 762280), (38, 742220), (40, 705109), (59, 478040), (68, 414770), (74, 381140), (76, 371110), (85, 331816), (95, 296888), (118, 239020), (136, 207385), (148, 190570), (152, 185555), (170, 165908), (185, 152456), (190, 148444), (236, 119510), (295, 95608), (296, 95285), (323, 87320), (340, 82954), (370, 76228), (380, 74222), (472, 59755), (590, 47804), (629, 44840), (646, 43660), (680, 41477), (703, 40120), (740, 38114), (760, 37111), (1003, 28120), (1121, 25160), (1180, 23902), (1258, 22420), (1292, 21830), (1406, 20060), (1480, 19057), (1615, 17464), (2006, 14060), (2183, 12920), (2242, 12580), (2360, 11951), (2516, 11210), (2584, 10915), (2812, 10030), (3145, 8968), (3230, 8732), (3515, 8024), (4012, 7030), (4366, 6460), (4484, 6290), (5015, 5624), (5032, 5605)]