621000940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1487}}^1$

素因数の和:1679

約数の個数: 96

約数和(自身を含む): 1579898880

約数和(自身を除く): 958897940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 157, 190, 266, 314, 380, 532, 628, 665, 785, 1099, 1330, 1487, 1570, 2198, 2660, 2974, 2983, 3140, 4396, 5495, 5948, 5966, 7435, 10409, 10990, 11932, 14870, 14915, 20818, 20881, 21980, 28253, 29740, 29830, 41636, 41762, 52045, 56506, 59660, 83524, 104090, 104405, 113012, 141265, 197771, 208180, 208810, 233459, 282530, 395542, 417620, 466918, 565060, 791084, 933836, 988855, 1167295, 1634213, 1977710, 2334590, 3268426, 3955420, 4435721, 4669180, 6536852, 8171065, 8871442, 16342130, 17742884, 22178605, 31050047, 32684260, 44357210, 62100094, 88714420, 124200188, 155250235, 310500470, 621000940]

約数ペア:

[(1, 621000940), (2, 310500470), (4, 155250235), (5, 124200188), (7, 88714420), (10, 62100094), (14, 44357210), (19, 32684260), (20, 31050047), (28, 22178605), (35, 17742884), (38, 16342130), (70, 8871442), (76, 8171065), (95, 6536852), (133, 4669180), (140, 4435721), (157, 3955420), (190, 3268426), (266, 2334590), (314, 1977710), (380, 1634213), (532, 1167295), (628, 988855), (665, 933836), (785, 791084), (1099, 565060), (1330, 466918), (1487, 417620), (1570, 395542), (2198, 282530), (2660, 233459), (2974, 208810), (2983, 208180), (3140, 197771), (4396, 141265), (5495, 113012), (5948, 104405), (5966, 104090), (7435, 83524), (10409, 59660), (10990, 56506), (11932, 52045), (14870, 41762), (14915, 41636), (20818, 29830), (20881, 29740), (21980, 28253)]