118411540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 274759128

約数和(自身を除く): 156347588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 169, 212, 260, 265, 338, 530, 661, 676, 689, 845, 1060, 1322, 1378, 1690, 2644, 2756, 3305, 3380, 3445, 6610, 6890, 8593, 8957, 13220, 13780, 17186, 17914, 34372, 35033, 35828, 42965, 44785, 70066, 85930, 89570, 111709, 140132, 171860, 175165, 179140, 223418, 350330, 446836, 455429, 558545, 700660, 910858, 1117090, 1821716, 2234180, 2277145, 4554290, 5920577, 9108580, 11841154, 23682308, 29602885, 59205770, 118411540]

約数ペア:

[(1, 118411540), (2, 59205770), (4, 29602885), (5, 23682308), (10, 11841154), (13, 9108580), (20, 5920577), (26, 4554290), (52, 2277145), (53, 2234180), (65, 1821716), (106, 1117090), (130, 910858), (169, 700660), (212, 558545), (260, 455429), (265, 446836), (338, 350330), (530, 223418), (661, 179140), (676, 175165), (689, 171860), (845, 140132), (1060, 111709), (1322, 89570), (1378, 85930), (1690, 70066), (2644, 44785), (2756, 42965), (3305, 35828), (3380, 35033), (3445, 34372), (6610, 17914), (6890, 17186), (8593, 13780), (8957, 13220)]