74000025

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1031}}^1$

素因数の和:1087

約数の個数: 72

約数和(自身を含む): 149722560

約数和(自身を除く): 75722535

約数列:

[1, 3, 5, 9, 11, 15, 25, 29, 33, 45, 55, 75, 87, 99, 145, 165, 225, 261, 275, 319, 435, 495, 725, 825, 957, 1031, 1305, 1595, 2175, 2475, 2871, 3093, 4785, 5155, 6525, 7975, 9279, 11341, 14355, 15465, 23925, 25775, 29899, 34023, 46395, 56705, 71775, 77325, 89697, 102069, 149495, 170115, 231975, 269091, 283525, 328889, 448485, 510345, 747475, 850575, 986667, 1345455, 1644445, 2242425, 2551725, 2960001, 4933335, 6727275, 8222225, 14800005, 24666675, 74000025]

約数ペア:

[(1, 74000025), (3, 24666675), (5, 14800005), (9, 8222225), (11, 6727275), (15, 4933335), (25, 2960001), (29, 2551725), (33, 2242425), (45, 1644445), (55, 1345455), (75, 986667), (87, 850575), (99, 747475), (145, 510345), (165, 448485), (225, 328889), (261, 283525), (275, 269091), (319, 231975), (435, 170115), (495, 149495), (725, 102069), (825, 89697), (957, 77325), (1031, 71775), (1305, 56705), (1595, 46395), (2175, 34023), (2475, 29899), (2871, 25775), (3093, 23925), (4785, 15465), (5155, 14355), (6525, 11341), (7975, 9279)]