51474990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{97}}^1$

素因数の和:159

約数の個数: 144

約数和(自身を含む): 153235152

約数和(自身を除く): 101760162

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 49, 57, 70, 95, 97, 98, 105, 114, 133, 147, 190, 194, 210, 245, 266, 285, 291, 294, 361, 399, 485, 490, 570, 582, 665, 679, 722, 735, 798, 931, 970, 1083, 1330, 1358, 1455, 1470, 1805, 1843, 1862, 1995, 2037, 2166, 2527, 2793, 2910, 3395, 3610, 3686, 3990, 4074, 4655, 4753, 5054, 5415, 5529, 5586, 6790, 7581, 9215, 9310, 9506, 10185, 10830, 11058, 12635, 12901, 13965, 14259, 15162, 17689, 18430, 20370, 23765, 25270, 25802, 27645, 27930, 28518, 35017, 35378, 37905, 38703, 47530, 53067, 55290, 64505, 70034, 71295, 75810, 77406, 88445, 90307, 105051, 106134, 129010, 142590, 175085, 176890, 180614, 193515, 210102, 245119, 265335, 270921, 350170, 387030, 451535, 490238, 525255, 530670, 541842, 735357, 903070, 1050510, 1225595, 1354605, 1470714, 1715833, 2451190, 2709210, 3431666, 3676785, 5147499, 7353570, 8579165, 10294998, 17158330, 25737495, 51474990]

約数ペア:

[(1, 51474990), (2, 25737495), (3, 17158330), (5, 10294998), (6, 8579165), (7, 7353570), (10, 5147499), (14, 3676785), (15, 3431666), (19, 2709210), (21, 2451190), (30, 1715833), (35, 1470714), (38, 1354605), (42, 1225595), (49, 1050510), (57, 903070), (70, 735357), (95, 541842), (97, 530670), (98, 525255), (105, 490238), (114, 451535), (133, 387030), (147, 350170), (190, 270921), (194, 265335), (210, 245119), (245, 210102), (266, 193515), (285, 180614), (291, 176890), (294, 175085), (361, 142590), (399, 129010), (485, 106134), (490, 105051), (570, 90307), (582, 88445), (665, 77406), (679, 75810), (722, 71295), (735, 70034), (798, 64505), (931, 55290), (970, 53067), (1083, 47530), (1330, 38703), (1358, 37905), (1455, 35378), (1470, 35017), (1805, 28518), (1843, 27930), (1862, 27645), (1995, 25802), (2037, 25270), (2166, 23765), (2527, 20370), (2793, 18430), (2910, 17689), (3395, 15162), (3610, 14259), (3686, 13965), (3990, 12901), (4074, 12635), (4655, 11058), (4753, 10830), (5054, 10185), (5415, 9506), (5529, 9310), (5586, 9215), (6790, 7581)]