655788900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{168151}}^1$

素因数の和:168181

約数の個数: 72

約数和(自身を含む): 2043383104

約数和(自身を除く): 1387594204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 168151, 336302, 504453, 672604, 840755, 1008906, 1681510, 2017812, 2185963, 2522265, 3363020, 4203775, 4371926, 5044530, 6557889, 8407550, 8743852, 10089060, 10929815, 12611325, 13115778, 16815100, 21859630, 25222650, 26231556, 32789445, 43719260, 50445300, 54649075, 65578890, 109298150, 131157780, 163947225, 218596300, 327894450, 655788900]

約数ペア:

[(1, 655788900), (2, 327894450), (3, 218596300), (4, 163947225), (5, 131157780), (6, 109298150), (10, 65578890), (12, 54649075), (13, 50445300), (15, 43719260), (20, 32789445), (25, 26231556), (26, 25222650), (30, 21859630), (39, 16815100), (50, 13115778), (52, 12611325), (60, 10929815), (65, 10089060), (75, 8743852), (78, 8407550), (100, 6557889), (130, 5044530), (150, 4371926), (156, 4203775), (195, 3363020), (260, 2522265), (300, 2185963), (325, 2017812), (390, 1681510), (650, 1008906), (780, 840755), (975, 672604), (1300, 504453), (1950, 336302), (3900, 168151)]