71288140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:440

約数の個数: 144

約数和(自身を含む): 201670560

約数和(自身を除く): 130382420

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 49, 55, 68, 70, 77, 85, 98, 110, 119, 140, 154, 170, 187, 196, 220, 238, 245, 308, 340, 374, 385, 389, 476, 490, 539, 595, 748, 770, 778, 833, 935, 980, 1078, 1190, 1309, 1540, 1556, 1666, 1870, 1945, 2156, 2380, 2618, 2695, 2723, 3332, 3740, 3890, 4165, 4279, 5236, 5390, 5446, 6545, 6613, 7780, 8330, 8558, 9163, 10780, 10892, 13090, 13226, 13615, 16660, 17116, 18326, 19061, 21395, 26180, 26452, 27230, 29953, 33065, 36652, 38122, 42790, 45815, 46291, 54460, 59906, 66130, 72743, 76244, 85580, 91630, 92582, 95305, 119812, 132260, 145486, 149765, 183260, 185164, 190610, 209671, 231455, 290972, 299530, 324037, 363715, 381220, 419342, 462910, 509201, 599060, 648074, 727430, 838684, 925820, 1018402, 1048355, 1296148, 1454860, 1620185, 2036804, 2096710, 2546005, 3240370, 3564407, 4193420, 5092010, 6480740, 7128814, 10184020, 14257628, 17822035, 35644070, 71288140]

約数ペア:

[(1, 71288140), (2, 35644070), (4, 17822035), (5, 14257628), (7, 10184020), (10, 7128814), (11, 6480740), (14, 5092010), (17, 4193420), (20, 3564407), (22, 3240370), (28, 2546005), (34, 2096710), (35, 2036804), (44, 1620185), (49, 1454860), (55, 1296148), (68, 1048355), (70, 1018402), (77, 925820), (85, 838684), (98, 727430), (110, 648074), (119, 599060), (140, 509201), (154, 462910), (170, 419342), (187, 381220), (196, 363715), (220, 324037), (238, 299530), (245, 290972), (308, 231455), (340, 209671), (374, 190610), (385, 185164), (389, 183260), (476, 149765), (490, 145486), (539, 132260), (595, 119812), (748, 95305), (770, 92582), (778, 91630), (833, 85580), (935, 76244), (980, 72743), (1078, 66130), (1190, 59906), (1309, 54460), (1540, 46291), (1556, 45815), (1666, 42790), (1870, 38122), (1945, 36652), (2156, 33065), (2380, 29953), (2618, 27230), (2695, 26452), (2723, 26180), (3332, 21395), (3740, 19061), (3890, 18326), (4165, 17116), (4279, 16660), (5236, 13615), (5390, 13226), (5446, 13090), (6545, 10892), (6613, 10780), (7780, 9163), (8330, 8558)]