290736680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{3089}}^1$

素因数の和:3294

約数の個数: 64

約数和(自身を含む): 708598800

約数和(自身を除く): 417862120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 181, 260, 362, 520, 724, 905, 1448, 1810, 2353, 3089, 3620, 4706, 6178, 7240, 9412, 11765, 12356, 15445, 18824, 23530, 24712, 30890, 40157, 47060, 61780, 80314, 94120, 123560, 160628, 200785, 321256, 401570, 559109, 803140, 1118218, 1606280, 2236436, 2795545, 4472872, 5591090, 7268417, 11182180, 14536834, 22364360, 29073668, 36342085, 58147336, 72684170, 145368340, 290736680]

約数ペア:

[(1, 290736680), (2, 145368340), (4, 72684170), (5, 58147336), (8, 36342085), (10, 29073668), (13, 22364360), (20, 14536834), (26, 11182180), (40, 7268417), (52, 5591090), (65, 4472872), (104, 2795545), (130, 2236436), (181, 1606280), (260, 1118218), (362, 803140), (520, 559109), (724, 401570), (905, 321256), (1448, 200785), (1810, 160628), (2353, 123560), (3089, 94120), (3620, 80314), (4706, 61780), (6178, 47060), (7240, 40157), (9412, 30890), (11765, 24712), (12356, 23530), (15445, 18824)]