68851700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:533

約数の個数: 72

約数和(自身を含む): 160161624

約数和(自身を除く): 91309924

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 101, 170, 202, 340, 401, 404, 425, 505, 802, 850, 1010, 1604, 1700, 1717, 2005, 2020, 2525, 3434, 4010, 5050, 6817, 6868, 8020, 8585, 10025, 10100, 13634, 17170, 20050, 27268, 34085, 34340, 40100, 40501, 42925, 68170, 81002, 85850, 136340, 162004, 170425, 171700, 202505, 340850, 405010, 681700, 688517, 810020, 1012525, 1377034, 2025050, 2754068, 3442585, 4050100, 6885170, 13770340, 17212925, 34425850, 68851700]

約数ペア:

[(1, 68851700), (2, 34425850), (4, 17212925), (5, 13770340), (10, 6885170), (17, 4050100), (20, 3442585), (25, 2754068), (34, 2025050), (50, 1377034), (68, 1012525), (85, 810020), (100, 688517), (101, 681700), (170, 405010), (202, 340850), (340, 202505), (401, 171700), (404, 170425), (425, 162004), (505, 136340), (802, 85850), (850, 81002), (1010, 68170), (1604, 42925), (1700, 40501), (1717, 40100), (2005, 34340), (2020, 34085), (2525, 27268), (3434, 20050), (4010, 17170), (5050, 13634), (6817, 10100), (6868, 10025), (8020, 8585)]