77748550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:286

約数の個数: 72

約数和(自身を含む): 162083376

約数和(自身を除く): 84334826

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 71, 110, 121, 142, 181, 242, 275, 355, 362, 550, 605, 710, 781, 905, 1210, 1562, 1775, 1810, 1991, 3025, 3550, 3905, 3982, 4525, 6050, 7810, 8591, 9050, 9955, 12851, 17182, 19525, 19910, 21901, 25702, 39050, 42955, 43802, 49775, 64255, 85910, 99550, 109505, 128510, 141361, 214775, 219010, 282722, 321275, 429550, 547525, 642550, 706805, 1095050, 1413610, 1554971, 3109942, 3534025, 7068050, 7774855, 15549710, 38874275, 77748550]

約数ペア:

[(1, 77748550), (2, 38874275), (5, 15549710), (10, 7774855), (11, 7068050), (22, 3534025), (25, 3109942), (50, 1554971), (55, 1413610), (71, 1095050), (110, 706805), (121, 642550), (142, 547525), (181, 429550), (242, 321275), (275, 282722), (355, 219010), (362, 214775), (550, 141361), (605, 128510), (710, 109505), (781, 99550), (905, 85910), (1210, 64255), (1562, 49775), (1775, 43802), (1810, 42955), (1991, 39050), (3025, 25702), (3550, 21901), (3905, 19910), (3982, 19525), (4525, 17182), (6050, 12851), (7810, 9955), (8591, 9050)]