80300300

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 180457200

約数和(自身を除く): 100156900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 109, 139, 212, 218, 265, 278, 436, 530, 545, 556, 695, 1060, 1090, 1325, 1390, 2180, 2650, 2725, 2780, 3475, 5300, 5450, 5777, 6950, 7367, 10900, 11554, 13900, 14734, 15151, 23108, 28885, 29468, 30302, 36835, 57770, 60604, 73670, 75755, 115540, 144425, 147340, 151510, 184175, 288850, 303020, 368350, 378775, 577700, 736700, 757550, 803003, 1515100, 1606006, 3212012, 4015015, 8030030, 16060060, 20075075, 40150150, 80300300]

約数ペア:

[(1, 80300300), (2, 40150150), (4, 20075075), (5, 16060060), (10, 8030030), (20, 4015015), (25, 3212012), (50, 1606006), (53, 1515100), (100, 803003), (106, 757550), (109, 736700), (139, 577700), (212, 378775), (218, 368350), (265, 303020), (278, 288850), (436, 184175), (530, 151510), (545, 147340), (556, 144425), (695, 115540), (1060, 75755), (1090, 73670), (1325, 60604), (1390, 57770), (2180, 36835), (2650, 30302), (2725, 29468), (2780, 28885), (3475, 23108), (5300, 15151), (5450, 14734), (5777, 13900), (6950, 11554), (7367, 10900)]