2007209080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{70379}}^1$

素因数の和:70444

約数の個数: 64

約数和(自身を含む): 4864665600

約数和(自身を除く): 2857456520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 1240, 1426, 2852, 3565, 5704, 7130, 14260, 28520, 70379, 140758, 281516, 351895, 563032, 703790, 1407580, 1618717, 2181749, 2815160, 3237434, 4363498, 6474868, 8093585, 8726996, 10908745, 12949736, 16187170, 17453992, 21817490, 32374340, 43634980, 50180227, 64748680, 87269960, 100360454, 200720908, 250901135, 401441816, 501802270, 1003604540, 2007209080]

約数ペア:

[(1, 2007209080), (2, 1003604540), (4, 501802270), (5, 401441816), (8, 250901135), (10, 200720908), (20, 100360454), (23, 87269960), (31, 64748680), (40, 50180227), (46, 43634980), (62, 32374340), (92, 21817490), (115, 17453992), (124, 16187170), (155, 12949736), (184, 10908745), (230, 8726996), (248, 8093585), (310, 6474868), (460, 4363498), (620, 3237434), (713, 2815160), (920, 2181749), (1240, 1618717), (1426, 1407580), (2852, 703790), (3565, 563032), (5704, 351895), (7130, 281516), (14260, 140758), (28520, 70379)]