17771080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 42840000

約数和(自身を除く): 25068920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 67, 76, 95, 134, 152, 190, 268, 335, 349, 380, 536, 670, 698, 760, 1273, 1340, 1396, 1745, 2546, 2680, 2792, 3490, 5092, 6365, 6631, 6980, 10184, 12730, 13262, 13960, 23383, 25460, 26524, 33155, 46766, 50920, 53048, 66310, 93532, 116915, 132620, 187064, 233830, 265240, 444277, 467660, 888554, 935320, 1777108, 2221385, 3554216, 4442770, 8885540, 17771080]

約数ペア:

[(1, 17771080), (2, 8885540), (4, 4442770), (5, 3554216), (8, 2221385), (10, 1777108), (19, 935320), (20, 888554), (38, 467660), (40, 444277), (67, 265240), (76, 233830), (95, 187064), (134, 132620), (152, 116915), (190, 93532), (268, 66310), (335, 53048), (349, 50920), (380, 46766), (536, 33155), (670, 26524), (698, 25460), (760, 23383), (1273, 13960), (1340, 13262), (1396, 12730), (1745, 10184), (2546, 6980), (2680, 6631), (2792, 6365), (3490, 5092)]