245876820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3929}}^1$

素因数の和:4097

約数の個数: 96

約数和(自身を含む): 792288000

約数和(自身を除く): 546411180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 149, 210, 298, 420, 447, 596, 745, 894, 1043, 1490, 1788, 2086, 2235, 2980, 3129, 3929, 4172, 4470, 5215, 6258, 7858, 8940, 10430, 11787, 12516, 15645, 15716, 19645, 20860, 23574, 27503, 31290, 39290, 47148, 55006, 58935, 62580, 78580, 82509, 110012, 117870, 137515, 165018, 235740, 275030, 330036, 412545, 550060, 585421, 825090, 1170842, 1650180, 1756263, 2341684, 2927105, 3512526, 4097947, 5854210, 7025052, 8195894, 8781315, 11708420, 12293841, 16391788, 17562630, 20489735, 24587682, 35125260, 40979470, 49175364, 61469205, 81958940, 122938410, 245876820]

約数ペア:

[(1, 245876820), (2, 122938410), (3, 81958940), (4, 61469205), (5, 49175364), (6, 40979470), (7, 35125260), (10, 24587682), (12, 20489735), (14, 17562630), (15, 16391788), (20, 12293841), (21, 11708420), (28, 8781315), (30, 8195894), (35, 7025052), (42, 5854210), (60, 4097947), (70, 3512526), (84, 2927105), (105, 2341684), (140, 1756263), (149, 1650180), (210, 1170842), (298, 825090), (420, 585421), (447, 550060), (596, 412545), (745, 330036), (894, 275030), (1043, 235740), (1490, 165018), (1788, 137515), (2086, 117870), (2235, 110012), (2980, 82509), (3129, 78580), (3929, 62580), (4172, 58935), (4470, 55006), (5215, 47148), (6258, 39290), (7858, 31290), (8940, 27503), (10430, 23574), (11787, 20860), (12516, 19645), (15645, 15716)]