251686020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{557}}^1$

素因数の和:1029

約数の個数: 96

約数和(自身を含む): 749202048

約数和(自身を除く): 497516028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 443, 510, 557, 886, 1020, 1114, 1329, 1671, 1772, 2215, 2228, 2658, 2785, 3342, 4430, 5316, 5570, 6645, 6684, 7531, 8355, 8860, 9469, 11140, 13290, 15062, 16710, 18938, 22593, 26580, 28407, 30124, 33420, 37655, 37876, 45186, 47345, 56814, 75310, 90372, 94690, 112965, 113628, 142035, 150620, 189380, 225930, 246751, 284070, 451860, 493502, 568140, 740253, 987004, 1233755, 1480506, 2467510, 2961012, 3701265, 4194767, 4935020, 7402530, 8389534, 12584301, 14805060, 16779068, 20973835, 25168602, 41947670, 50337204, 62921505, 83895340, 125843010, 251686020]

約数ペア:

[(1, 251686020), (2, 125843010), (3, 83895340), (4, 62921505), (5, 50337204), (6, 41947670), (10, 25168602), (12, 20973835), (15, 16779068), (17, 14805060), (20, 12584301), (30, 8389534), (34, 7402530), (51, 4935020), (60, 4194767), (68, 3701265), (85, 2961012), (102, 2467510), (170, 1480506), (204, 1233755), (255, 987004), (340, 740253), (443, 568140), (510, 493502), (557, 451860), (886, 284070), (1020, 246751), (1114, 225930), (1329, 189380), (1671, 150620), (1772, 142035), (2215, 113628), (2228, 112965), (2658, 94690), (2785, 90372), (3342, 75310), (4430, 56814), (5316, 47345), (5570, 45186), (6645, 37876), (6684, 37655), (7531, 33420), (8355, 30124), (8860, 28407), (9469, 26580), (11140, 22593), (13290, 18938), (15062, 16710)]