1553316940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{983}}^1\times {\mathrm{11287}}^1$

素因数の和:12286

約数の個数: 48

約数和(自身を含む): 3732083712

約数和(自身を除く): 2178766772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 983, 1966, 3932, 4915, 6881, 9830, 11287, 13762, 19660, 22574, 27524, 34405, 45148, 56435, 68810, 79009, 112870, 137620, 158018, 225740, 316036, 395045, 790090, 1580180, 11095121, 22190242, 44380484, 55475605, 77665847, 110951210, 155331694, 221902420, 310663388, 388329235, 776658470, 1553316940]

約数ペア:

[(1, 1553316940), (2, 776658470), (4, 388329235), (5, 310663388), (7, 221902420), (10, 155331694), (14, 110951210), (20, 77665847), (28, 55475605), (35, 44380484), (70, 22190242), (140, 11095121), (983, 1580180), (1966, 790090), (3932, 395045), (4915, 316036), (6881, 225740), (9830, 158018), (11287, 137620), (13762, 112870), (19660, 79009), (22574, 68810), (27524, 56435), (34405, 45148)]