77439700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{839}}^1$

素因数の和:937

約数の個数: 72

約数和(自身を含む): 183738240

約数和(自身を除く): 106298540

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 71, 100, 130, 142, 260, 284, 325, 355, 650, 710, 839, 923, 1300, 1420, 1678, 1775, 1846, 3356, 3550, 3692, 4195, 4615, 7100, 8390, 9230, 10907, 16780, 18460, 20975, 21814, 23075, 41950, 43628, 46150, 54535, 59569, 83900, 92300, 109070, 119138, 218140, 238276, 272675, 297845, 545350, 595690, 774397, 1090700, 1191380, 1489225, 1548794, 2978450, 3097588, 3871985, 5956900, 7743970, 15487940, 19359925, 38719850, 77439700]

約数ペア:

[(1, 77439700), (2, 38719850), (4, 19359925), (5, 15487940), (10, 7743970), (13, 5956900), (20, 3871985), (25, 3097588), (26, 2978450), (50, 1548794), (52, 1489225), (65, 1191380), (71, 1090700), (100, 774397), (130, 595690), (142, 545350), (260, 297845), (284, 272675), (325, 238276), (355, 218140), (650, 119138), (710, 109070), (839, 92300), (923, 83900), (1300, 59569), (1420, 54535), (1678, 46150), (1775, 43628), (1846, 41950), (3356, 23075), (3550, 21814), (3692, 20975), (4195, 18460), (4615, 16780), (7100, 10907), (8390, 9230)]