68878900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1307}}^1$

素因数の和:1369

約数の個数: 72

約数和(自身を含む): 163489536

約数和(自身を除く): 94610636

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 31, 34, 50, 62, 68, 85, 100, 124, 155, 170, 310, 340, 425, 527, 620, 775, 850, 1054, 1307, 1550, 1700, 2108, 2614, 2635, 3100, 5228, 5270, 6535, 10540, 13070, 13175, 22219, 26140, 26350, 32675, 40517, 44438, 52700, 65350, 81034, 88876, 111095, 130700, 162068, 202585, 222190, 405170, 444380, 555475, 688789, 810340, 1012925, 1110950, 1377578, 2025850, 2221900, 2755156, 3443945, 4051700, 6887890, 13775780, 17219725, 34439450, 68878900]

約数ペア:

[(1, 68878900), (2, 34439450), (4, 17219725), (5, 13775780), (10, 6887890), (17, 4051700), (20, 3443945), (25, 2755156), (31, 2221900), (34, 2025850), (50, 1377578), (62, 1110950), (68, 1012925), (85, 810340), (100, 688789), (124, 555475), (155, 444380), (170, 405170), (310, 222190), (340, 202585), (425, 162068), (527, 130700), (620, 111095), (775, 88876), (850, 81034), (1054, 65350), (1307, 52700), (1550, 44438), (1700, 40517), (2108, 32675), (2614, 26350), (2635, 26140), (3100, 22219), (5228, 13175), (5270, 13070), (6535, 10540)]