72378490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 142248960

約数和(自身を除く): 69870470

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 83, 97, 145, 155, 166, 194, 290, 310, 415, 485, 830, 899, 970, 1798, 2407, 2573, 2813, 3007, 4495, 4814, 5146, 5626, 6014, 8051, 8990, 12035, 12865, 14065, 15035, 16102, 24070, 25730, 28130, 30070, 40255, 74617, 80510, 87203, 149234, 174406, 233479, 249581, 373085, 436015, 466958, 499162, 746170, 872030, 1167395, 1247905, 2334790, 2495810, 7237849, 14475698, 36189245, 72378490]

約数ペア:

[(1, 72378490), (2, 36189245), (5, 14475698), (10, 7237849), (29, 2495810), (31, 2334790), (58, 1247905), (62, 1167395), (83, 872030), (97, 746170), (145, 499162), (155, 466958), (166, 436015), (194, 373085), (290, 249581), (310, 233479), (415, 174406), (485, 149234), (830, 87203), (899, 80510), (970, 74617), (1798, 40255), (2407, 30070), (2573, 28130), (2813, 25730), (3007, 24070), (4495, 16102), (4814, 15035), (5146, 14065), (5626, 12865), (6014, 12035), (8051, 8990)]