280109830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27983}}^1$

素因数の和:28021

約数の個数: 64

約数和(自身を含む): 676988928

約数和(自身を除く): 396879098

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 5005, 10010, 27983, 55966, 139915, 195881, 279830, 307813, 363779, 391762, 615626, 727558, 979405, 1539065, 1818895, 1958810, 2154691, 2546453, 3078130, 3637790, 4001569, 4309382, 5092906, 8003138, 10773455, 12732265, 20007845, 21546910, 25464530, 28010983, 40015690, 56021966, 140054915, 280109830]

約数ペア:

[(1, 280109830), (2, 140054915), (5, 56021966), (7, 40015690), (10, 28010983), (11, 25464530), (13, 21546910), (14, 20007845), (22, 12732265), (26, 10773455), (35, 8003138), (55, 5092906), (65, 4309382), (70, 4001569), (77, 3637790), (91, 3078130), (110, 2546453), (130, 2154691), (143, 1958810), (154, 1818895), (182, 1539065), (286, 979405), (385, 727558), (455, 615626), (715, 391762), (770, 363779), (910, 307813), (1001, 279830), (1430, 195881), (2002, 139915), (5005, 55966), (10010, 27983)]