129499340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{593}}^1$

素因数の和:842

約数の個数: 48

約数和(自身を含む): 278419680

約数和(自身を除く): 148920340

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 179, 244, 305, 358, 593, 610, 716, 895, 1186, 1220, 1790, 2372, 2965, 3580, 5930, 10919, 11860, 21838, 36173, 43676, 54595, 72346, 106147, 109190, 144692, 180865, 212294, 218380, 361730, 424588, 530735, 723460, 1061470, 2122940, 6474967, 12949934, 25899868, 32374835, 64749670, 129499340]

約数ペア:

[(1, 129499340), (2, 64749670), (4, 32374835), (5, 25899868), (10, 12949934), (20, 6474967), (61, 2122940), (122, 1061470), (179, 723460), (244, 530735), (305, 424588), (358, 361730), (593, 218380), (610, 212294), (716, 180865), (895, 144692), (1186, 109190), (1220, 106147), (1790, 72346), (2372, 54595), (2965, 43676), (3580, 36173), (5930, 21838), (10919, 11860)]