388414740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{17449}}^1$

素因数の和:17521

約数の個数: 96

約数和(自身を含む): 1266451200

約数和(自身を除く): 878036460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 53, 60, 70, 84, 105, 106, 140, 159, 210, 212, 265, 318, 371, 420, 530, 636, 742, 795, 1060, 1113, 1484, 1590, 1855, 2226, 3180, 3710, 4452, 5565, 7420, 11130, 17449, 22260, 34898, 52347, 69796, 87245, 104694, 122143, 174490, 209388, 244286, 261735, 348980, 366429, 488572, 523470, 610715, 732858, 924797, 1046940, 1221430, 1465716, 1832145, 1849594, 2442860, 2774391, 3664290, 3699188, 4623985, 5548782, 6473579, 7328580, 9247970, 11097564, 12947158, 13871955, 18495940, 19420737, 25894316, 27743910, 32367895, 38841474, 55487820, 64735790, 77682948, 97103685, 129471580, 194207370, 388414740]

約数ペア:

[(1, 388414740), (2, 194207370), (3, 129471580), (4, 97103685), (5, 77682948), (6, 64735790), (7, 55487820), (10, 38841474), (12, 32367895), (14, 27743910), (15, 25894316), (20, 19420737), (21, 18495940), (28, 13871955), (30, 12947158), (35, 11097564), (42, 9247970), (53, 7328580), (60, 6473579), (70, 5548782), (84, 4623985), (105, 3699188), (106, 3664290), (140, 2774391), (159, 2442860), (210, 1849594), (212, 1832145), (265, 1465716), (318, 1221430), (371, 1046940), (420, 924797), (530, 732858), (636, 610715), (742, 523470), (795, 488572), (1060, 366429), (1113, 348980), (1484, 261735), (1590, 244286), (1855, 209388), (2226, 174490), (3180, 122143), (3710, 104694), (4452, 87245), (5565, 69796), (7420, 52347), (11130, 34898), (17449, 22260)]