71406990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:402

約数の個数: 96

約数和(自身を含む): 194594400

約数和(自身を除く): 123187410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 109, 145, 174, 218, 251, 261, 290, 327, 435, 502, 522, 545, 654, 753, 870, 981, 1090, 1255, 1305, 1506, 1635, 1962, 2259, 2510, 2610, 3161, 3270, 3765, 4518, 4905, 6322, 7279, 7530, 9483, 9810, 11295, 14558, 15805, 18966, 21837, 22590, 27359, 28449, 31610, 36395, 43674, 47415, 54718, 56898, 65511, 72790, 82077, 94830, 109185, 131022, 136795, 142245, 164154, 218370, 246231, 273590, 284490, 327555, 410385, 492462, 655110, 793411, 820770, 1231155, 1586822, 2380233, 2462310, 3967055, 4760466, 7140699, 7934110, 11901165, 14281398, 23802330, 35703495, 71406990]

約数ペア:

[(1, 71406990), (2, 35703495), (3, 23802330), (5, 14281398), (6, 11901165), (9, 7934110), (10, 7140699), (15, 4760466), (18, 3967055), (29, 2462310), (30, 2380233), (45, 1586822), (58, 1231155), (87, 820770), (90, 793411), (109, 655110), (145, 492462), (174, 410385), (218, 327555), (251, 284490), (261, 273590), (290, 246231), (327, 218370), (435, 164154), (502, 142245), (522, 136795), (545, 131022), (654, 109185), (753, 94830), (870, 82077), (981, 72790), (1090, 65511), (1255, 56898), (1305, 54718), (1506, 47415), (1635, 43674), (1962, 36395), (2259, 31610), (2510, 28449), (2610, 27359), (3161, 22590), (3270, 21837), (3765, 18966), (4518, 15805), (4905, 14558), (6322, 11295), (7279, 9810), (7530, 9483)]