1237989820

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{11131}}^1$

素因数の和:11290

約数の個数: 48

約数和(自身を含む): 2670611328

約数和(自身を除く): 1432621508

約数列:

[1, 2, 4, 5, 10, 20, 67, 83, 134, 166, 268, 332, 335, 415, 670, 830, 1340, 1660, 5561, 11122, 11131, 22244, 22262, 27805, 44524, 55610, 55655, 111220, 111310, 222620, 745777, 923873, 1491554, 1847746, 2983108, 3695492, 3728885, 4619365, 7457770, 9238730, 14915540, 18477460, 61899491, 123798982, 247597964, 309497455, 618994910, 1237989820]

約数ペア:

[(1, 1237989820), (2, 618994910), (4, 309497455), (5, 247597964), (10, 123798982), (20, 61899491), (67, 18477460), (83, 14915540), (134, 9238730), (166, 7457770), (268, 4619365), (332, 3728885), (335, 3695492), (415, 2983108), (670, 1847746), (830, 1491554), (1340, 923873), (1660, 745777), (5561, 222620), (11122, 111310), (11131, 111220), (22244, 55655), (22262, 55610), (27805, 44524)]