8889781100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{78049}}^1$

素因数の和:78147

約数の個数: 72

約数和(自身を含む): 20730704400

約数和(自身を除く): 11840923300

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 67, 68, 85, 100, 134, 170, 268, 335, 340, 425, 670, 850, 1139, 1340, 1675, 1700, 2278, 3350, 4556, 5695, 6700, 11390, 22780, 28475, 56950, 78049, 113900, 156098, 312196, 390245, 780490, 1326833, 1560980, 1951225, 2653666, 3902450, 5229283, 5307332, 6634165, 7804900, 10458566, 13268330, 20917132, 26146415, 26536660, 33170825, 52292830, 66341650, 88897811, 104585660, 130732075, 132683300, 177795622, 261464150, 355591244, 444489055, 522928300, 888978110, 1777956220, 2222445275, 4444890550, 8889781100]

約数ペア:

[(1, 8889781100), (2, 4444890550), (4, 2222445275), (5, 1777956220), (10, 888978110), (17, 522928300), (20, 444489055), (25, 355591244), (34, 261464150), (50, 177795622), (67, 132683300), (68, 130732075), (85, 104585660), (100, 88897811), (134, 66341650), (170, 52292830), (268, 33170825), (335, 26536660), (340, 26146415), (425, 20917132), (670, 13268330), (850, 10458566), (1139, 7804900), (1340, 6634165), (1675, 5307332), (1700, 5229283), (2278, 3902450), (3350, 2653666), (4556, 1951225), (5695, 1560980), (6700, 1326833), (11390, 780490), (22780, 390245), (28475, 312196), (56950, 156098), (78049, 113900)]