388742750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 815645376

約数和(自身を除く): 426902626

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 71, 110, 121, 125, 142, 181, 242, 250, 275, 355, 362, 550, 605, 710, 781, 905, 1210, 1375, 1562, 1775, 1810, 1991, 2750, 3025, 3550, 3905, 3982, 4525, 6050, 7810, 8591, 8875, 9050, 9955, 12851, 15125, 17182, 17750, 19525, 19910, 21901, 22625, 25702, 30250, 39050, 42955, 43802, 45250, 49775, 64255, 85910, 97625, 99550, 109505, 128510, 141361, 195250, 214775, 219010, 248875, 282722, 321275, 429550, 497750, 547525, 642550, 706805, 1073875, 1095050, 1413610, 1554971, 1606375, 2147750, 2737625, 3109942, 3212750, 3534025, 5475250, 7068050, 7774855, 15549710, 17670125, 35340250, 38874275, 77748550, 194371375, 388742750]

約数ペア:

[(1, 388742750), (2, 194371375), (5, 77748550), (10, 38874275), (11, 35340250), (22, 17670125), (25, 15549710), (50, 7774855), (55, 7068050), (71, 5475250), (110, 3534025), (121, 3212750), (125, 3109942), (142, 2737625), (181, 2147750), (242, 1606375), (250, 1554971), (275, 1413610), (355, 1095050), (362, 1073875), (550, 706805), (605, 642550), (710, 547525), (781, 497750), (905, 429550), (1210, 321275), (1375, 282722), (1562, 248875), (1775, 219010), (1810, 214775), (1991, 195250), (2750, 141361), (3025, 128510), (3550, 109505), (3905, 99550), (3982, 97625), (4525, 85910), (6050, 64255), (7810, 49775), (8591, 45250), (8875, 43802), (9050, 42955), (9955, 39050), (12851, 30250), (15125, 25702), (17182, 22625), (17750, 21901), (19525, 19910)]