8720300

素因数分解:

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

素因数の和:171

約数の個数: 72

約数和(自身を含む): 20415360

約数和(自身を除く): 11695060

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 31, 50, 58, 62, 97, 100, 116, 124, 145, 155, 194, 290, 310, 388, 485, 580, 620, 725, 775, 899, 970, 1450, 1550, 1798, 1940, 2425, 2813, 2900, 3007, 3100, 3596, 4495, 4850, 5626, 6014, 8990, 9700, 11252, 12028, 14065, 15035, 17980, 22475, 28130, 30070, 44950, 56260, 60140, 70325, 75175, 87203, 89900, 140650, 150350, 174406, 281300, 300700, 348812, 436015, 872030, 1744060, 2180075, 4360150, 8720300]

約数ペア:

[(1, 8720300), (2, 4360150), (4, 2180075), (5, 1744060), (10, 872030), (20, 436015), (25, 348812), (29, 300700), (31, 281300), (50, 174406), (58, 150350), (62, 140650), (97, 89900), (100, 87203), (116, 75175), (124, 70325), (145, 60140), (155, 56260), (194, 44950), (290, 30070), (310, 28130), (388, 22475), (485, 17980), (580, 15035), (620, 14065), (725, 12028), (775, 11252), (899, 9700), (970, 8990), (1450, 6014), (1550, 5626), (1798, 4850), (1940, 4495), (2425, 3596), (2813, 3100), (2900, 3007)]