291239620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{509}}^1$

素因数の和:653

約数の個数: 96

約数和(自身を含む): 722453760

約数和(自身を除く): 431214140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 67, 70, 122, 134, 140, 244, 268, 305, 335, 427, 469, 509, 610, 670, 854, 938, 1018, 1220, 1340, 1708, 1876, 2036, 2135, 2345, 2545, 3563, 4087, 4270, 4690, 5090, 7126, 8174, 8540, 9380, 10180, 14252, 16348, 17815, 20435, 28609, 31049, 34103, 35630, 40870, 57218, 62098, 68206, 71260, 81740, 114436, 124196, 136412, 143045, 155245, 170515, 217343, 238721, 286090, 310490, 341030, 434686, 477442, 572180, 620980, 682060, 869372, 954884, 1086715, 1193605, 2080283, 2173430, 2387210, 4160566, 4346860, 4774420, 8321132, 10401415, 14561981, 20802830, 29123962, 41605660, 58247924, 72809905, 145619810, 291239620]

約数ペア:

[(1, 291239620), (2, 145619810), (4, 72809905), (5, 58247924), (7, 41605660), (10, 29123962), (14, 20802830), (20, 14561981), (28, 10401415), (35, 8321132), (61, 4774420), (67, 4346860), (70, 4160566), (122, 2387210), (134, 2173430), (140, 2080283), (244, 1193605), (268, 1086715), (305, 954884), (335, 869372), (427, 682060), (469, 620980), (509, 572180), (610, 477442), (670, 434686), (854, 341030), (938, 310490), (1018, 286090), (1220, 238721), (1340, 217343), (1708, 170515), (1876, 155245), (2036, 143045), (2135, 136412), (2345, 124196), (2545, 114436), (3563, 81740), (4087, 71260), (4270, 68206), (4690, 62098), (5090, 57218), (7126, 40870), (8174, 35630), (8540, 34103), (9380, 31049), (10180, 28609), (14252, 20435), (16348, 17815)]