1900670000

素因数分解:

$2^4\times 5^4\times {\mathrm{71}}^1\times {\mathrm{2677}}^1$

素因数の和:2776

約数の個数: 100

約数和(自身を含む): 4668268176

約数和(自身を除く): 2767598176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 125, 142, 200, 250, 284, 355, 400, 500, 568, 625, 710, 1000, 1136, 1250, 1420, 1775, 2000, 2500, 2677, 2840, 3550, 5000, 5354, 5680, 7100, 8875, 10000, 10708, 13385, 14200, 17750, 21416, 26770, 28400, 35500, 42832, 44375, 53540, 66925, 71000, 88750, 107080, 133850, 142000, 177500, 190067, 214160, 267700, 334625, 355000, 380134, 535400, 669250, 710000, 760268, 950335, 1070800, 1338500, 1520536, 1673125, 1900670, 2677000, 3041072, 3346250, 3801340, 4751675, 5354000, 6692500, 7602680, 9503350, 13385000, 15205360, 19006700, 23758375, 26770000, 38013400, 47516750, 76026800, 95033500, 118791875, 190067000, 237583750, 380134000, 475167500, 950335000, 1900670000]

約数ペア:

[(1, 1900670000), (2, 950335000), (4, 475167500), (5, 380134000), (8, 237583750), (10, 190067000), (16, 118791875), (20, 95033500), (25, 76026800), (40, 47516750), (50, 38013400), (71, 26770000), (80, 23758375), (100, 19006700), (125, 15205360), (142, 13385000), (200, 9503350), (250, 7602680), (284, 6692500), (355, 5354000), (400, 4751675), (500, 3801340), (568, 3346250), (625, 3041072), (710, 2677000), (1000, 1900670), (1136, 1673125), (1250, 1520536), (1420, 1338500), (1775, 1070800), (2000, 950335), (2500, 760268), (2677, 710000), (2840, 669250), (3550, 535400), (5000, 380134), (5354, 355000), (5680, 334625), (7100, 267700), (8875, 214160), (10000, 190067), (10708, 177500), (13385, 142000), (14200, 133850), (17750, 107080), (21416, 88750), (26770, 71000), (28400, 66925), (35500, 53540), (42832, 44375)]