30821750

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:186

約数の個数: 64

約数和(自身を含む): 61641216

約数和(自身を除く): 30819466

約数列:

[1, 2, 5, 10, 25, 31, 41, 50, 62, 82, 97, 125, 155, 194, 205, 250, 310, 410, 485, 775, 970, 1025, 1271, 1550, 2050, 2425, 2542, 3007, 3875, 3977, 4850, 5125, 6014, 6355, 7750, 7954, 10250, 12125, 12710, 15035, 19885, 24250, 30070, 31775, 39770, 63550, 75175, 99425, 123287, 150350, 158875, 198850, 246574, 317750, 375875, 497125, 616435, 751750, 994250, 1232870, 3082175, 6164350, 15410875, 30821750]

約数ペア:

[(1, 30821750), (2, 15410875), (5, 6164350), (10, 3082175), (25, 1232870), (31, 994250), (41, 751750), (50, 616435), (62, 497125), (82, 375875), (97, 317750), (125, 246574), (155, 198850), (194, 158875), (205, 150350), (250, 123287), (310, 99425), (410, 75175), (485, 63550), (775, 39770), (970, 31775), (1025, 30070), (1271, 24250), (1550, 19885), (2050, 15035), (2425, 12710), (2542, 12125), (3007, 10250), (3875, 7954), (3977, 7750), (4850, 6355), (5125, 6014)]