408065980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{4423}}^1$

素因数の和:5098

約数の個数: 48

約数和(自身を含む): 981066240

約数和(自身を除く): 573000260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 659, 1318, 2636, 3295, 4423, 4613, 6590, 8846, 9226, 13180, 17692, 18452, 22115, 23065, 30961, 44230, 46130, 61922, 88460, 92260, 123844, 154805, 309610, 619220, 2914757, 5829514, 11659028, 14573785, 20403299, 29147570, 40806598, 58295140, 81613196, 102016495, 204032990, 408065980]

約数ペア:

[(1, 408065980), (2, 204032990), (4, 102016495), (5, 81613196), (7, 58295140), (10, 40806598), (14, 29147570), (20, 20403299), (28, 14573785), (35, 11659028), (70, 5829514), (140, 2914757), (659, 619220), (1318, 309610), (2636, 154805), (3295, 123844), (4423, 92260), (4613, 88460), (6590, 61922), (8846, 46130), (9226, 44230), (13180, 30961), (17692, 23065), (18452, 22115)]