450799240

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{911}}^1$

素因数の和:1150

約数の個数: 64

約数和(自身を含む): 1034208000

約数和(自身を除く): 583408760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 139, 178, 278, 356, 445, 556, 695, 712, 890, 911, 1112, 1390, 1780, 1822, 2780, 3560, 3644, 4555, 5560, 7288, 9110, 12371, 18220, 24742, 36440, 49484, 61855, 81079, 98968, 123710, 126629, 162158, 247420, 253258, 324316, 405395, 494840, 506516, 633145, 648632, 810790, 1013032, 1266290, 1621580, 2532580, 3243160, 5065160, 11269981, 22539962, 45079924, 56349905, 90159848, 112699810, 225399620, 450799240]

約数ペア:

[(1, 450799240), (2, 225399620), (4, 112699810), (5, 90159848), (8, 56349905), (10, 45079924), (20, 22539962), (40, 11269981), (89, 5065160), (139, 3243160), (178, 2532580), (278, 1621580), (356, 1266290), (445, 1013032), (556, 810790), (695, 648632), (712, 633145), (890, 506516), (911, 494840), (1112, 405395), (1390, 324316), (1780, 253258), (1822, 247420), (2780, 162158), (3560, 126629), (3644, 123710), (4555, 98968), (5560, 81079), (7288, 61855), (9110, 49484), (12371, 36440), (18220, 24742)]