278366920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{5003}}^1$

素因数の和:5134

約数の個数: 64

約数和(自身を含む): 680944320

約数和(自身を除く): 402577400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 107, 130, 214, 260, 428, 520, 535, 856, 1070, 1391, 2140, 2782, 4280, 5003, 5564, 6955, 10006, 11128, 13910, 20012, 25015, 27820, 40024, 50030, 55640, 65039, 100060, 130078, 200120, 260156, 325195, 520312, 535321, 650390, 1070642, 1300780, 2141284, 2601560, 2676605, 4282568, 5353210, 6959173, 10706420, 13918346, 21412840, 27836692, 34795865, 55673384, 69591730, 139183460, 278366920]

約数ペア:

[(1, 278366920), (2, 139183460), (4, 69591730), (5, 55673384), (8, 34795865), (10, 27836692), (13, 21412840), (20, 13918346), (26, 10706420), (40, 6959173), (52, 5353210), (65, 4282568), (104, 2676605), (107, 2601560), (130, 2141284), (214, 1300780), (260, 1070642), (428, 650390), (520, 535321), (535, 520312), (856, 325195), (1070, 260156), (1391, 200120), (2140, 130078), (2782, 100060), (4280, 65039), (5003, 55640), (5564, 50030), (6955, 40024), (10006, 27820), (11128, 25015), (13910, 20012)]