639755340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{10223}}^1$

素因数の和:10391

約数の個数: 96

約数和(自身を含む): 2061158400

約数和(自身を除く): 1421403060

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, 4172, 4470, 5215, 6258, 8940, 10223, 10430, 12516, 15645, 20446, 20860, 30669, 31290, 40892, 51115, 61338, 62580, 71561, 102230, 122676, 143122, 153345, 204460, 214683, 286244, 306690, 357805, 429366, 613380, 715610, 858732, 1073415, 1431220, 1523227, 2146830, 3046454, 4293660, 4569681, 6092908, 7616135, 9139362, 10662589, 15232270, 18278724, 21325178, 22848405, 30464540, 31987767, 42650356, 45696810, 53312945, 63975534, 91393620, 106625890, 127951068, 159938835, 213251780, 319877670, 639755340]

約数ペア:

[(1, 639755340), (2, 319877670), (3, 213251780), (4, 159938835), (5, 127951068), (6, 106625890), (7, 91393620), (10, 63975534), (12, 53312945), (14, 45696810), (15, 42650356), (20, 31987767), (21, 30464540), (28, 22848405), (30, 21325178), (35, 18278724), (42, 15232270), (60, 10662589), (70, 9139362), (84, 7616135), (105, 6092908), (140, 4569681), (149, 4293660), (210, 3046454), (298, 2146830), (420, 1523227), (447, 1431220), (596, 1073415), (745, 858732), (894, 715610), (1043, 613380), (1490, 429366), (1788, 357805), (2086, 306690), (2235, 286244), (2980, 214683), (3129, 204460), (4172, 153345), (4470, 143122), (5215, 122676), (6258, 102230), (8940, 71561), (10223, 62580), (10430, 61338), (12516, 51115), (15645, 40892), (20446, 31290), (20860, 30669)]