7540890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 20908800

約数和(自身を除く): 13367910

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 149, 210, 241, 298, 447, 482, 723, 745, 894, 1043, 1205, 1446, 1490, 1687, 2086, 2235, 2410, 3129, 3374, 3615, 4470, 5061, 5215, 6258, 7230, 8435, 10122, 10430, 15645, 16870, 25305, 31290, 35909, 50610, 71818, 107727, 179545, 215454, 251363, 359090, 502726, 538635, 754089, 1077270, 1256815, 1508178, 2513630, 3770445, 7540890]

約数ペア:

[(1, 7540890), (2, 3770445), (3, 2513630), (5, 1508178), (6, 1256815), (7, 1077270), (10, 754089), (14, 538635), (15, 502726), (21, 359090), (30, 251363), (35, 215454), (42, 179545), (70, 107727), (105, 71818), (149, 50610), (210, 35909), (241, 31290), (298, 25305), (447, 16870), (482, 15645), (723, 10430), (745, 10122), (894, 8435), (1043, 7230), (1205, 6258), (1446, 5215), (1490, 5061), (1687, 4470), (2086, 3615), (2235, 3374), (2410, 3129)]