245412440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67421}}^1$

素因数の和:67452

約数の個数: 64

約数和(自身を含む): 679613760

約数和(自身を除く): 434201320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 67421, 134842, 269684, 337105, 471947, 539368, 674210, 876473, 943894, 1348420, 1752946, 1887788, 2359735, 2696840, 3505892, 3775576, 4382365, 4719470, 6135311, 7011784, 8764730, 9438940, 12270622, 17529460, 18877880, 24541244, 30676555, 35058920, 49082488, 61353110, 122706220, 245412440]

約数ペア:

[(1, 245412440), (2, 122706220), (4, 61353110), (5, 49082488), (7, 35058920), (8, 30676555), (10, 24541244), (13, 18877880), (14, 17529460), (20, 12270622), (26, 9438940), (28, 8764730), (35, 7011784), (40, 6135311), (52, 4719470), (56, 4382365), (65, 3775576), (70, 3505892), (91, 2696840), (104, 2359735), (130, 1887788), (140, 1752946), (182, 1348420), (260, 943894), (280, 876473), (364, 674210), (455, 539368), (520, 471947), (728, 337105), (910, 269684), (1820, 134842), (3640, 67421)]