1290750100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{1787}}^1$

素因数の和:2065

約数の個数: 72

約数和(自身を含む): 2905314048

約数和(自身を除く): 1614563948

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 233, 310, 466, 620, 775, 932, 1165, 1550, 1787, 2330, 3100, 3574, 4660, 5825, 7148, 7223, 8935, 11650, 14446, 17870, 23300, 28892, 35740, 36115, 44675, 55397, 72230, 89350, 110794, 144460, 178700, 180575, 221588, 276985, 361150, 416371, 553970, 722300, 832742, 1107940, 1384925, 1665484, 2081855, 2769850, 4163710, 5539700, 8327420, 10409275, 12907501, 20818550, 25815002, 41637100, 51630004, 64537505, 129075010, 258150020, 322687525, 645375050, 1290750100]

約数ペア:

[(1, 1290750100), (2, 645375050), (4, 322687525), (5, 258150020), (10, 129075010), (20, 64537505), (25, 51630004), (31, 41637100), (50, 25815002), (62, 20818550), (100, 12907501), (124, 10409275), (155, 8327420), (233, 5539700), (310, 4163710), (466, 2769850), (620, 2081855), (775, 1665484), (932, 1384925), (1165, 1107940), (1550, 832742), (1787, 722300), (2330, 553970), (3100, 416371), (3574, 361150), (4660, 276985), (5825, 221588), (7148, 180575), (7223, 178700), (8935, 144460), (11650, 110794), (14446, 89350), (17870, 72230), (23300, 55397), (28892, 44675), (35740, 36115)]