2019778880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{901687}}^1$

素因数の和:901711

約数の個数: 56

約数和(自身を含む): 5496690048

約数和(自身を除く): 3476911168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 901687, 1803374, 3606748, 4508435, 6311809, 7213496, 9016870, 12623618, 14426992, 18033740, 25247236, 28853984, 31559045, 36067480, 50494472, 57707968, 63118090, 72134960, 100988944, 126236180, 144269920, 201977888, 252472360, 288539840, 403955776, 504944720, 1009889440, 2019778880]

約数ペア:

[(1, 2019778880), (2, 1009889440), (4, 504944720), (5, 403955776), (7, 288539840), (8, 252472360), (10, 201977888), (14, 144269920), (16, 126236180), (20, 100988944), (28, 72134960), (32, 63118090), (35, 57707968), (40, 50494472), (56, 36067480), (64, 31559045), (70, 28853984), (80, 25247236), (112, 18033740), (140, 14426992), (160, 12623618), (224, 9016870), (280, 7213496), (320, 6311809), (448, 4508435), (560, 3606748), (1120, 1803374), (2240, 901687)]