2788362890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{907}}^1$

素因数の和:1203

約数の個数: 64

約数和(自身を含む): 5322129408

約数和(自身を除く): 2533766518

約数列:

[1, 2, 5, 10, 31, 47, 62, 94, 155, 211, 235, 310, 422, 470, 907, 1055, 1457, 1814, 2110, 2914, 4535, 6541, 7285, 9070, 9917, 13082, 14570, 19834, 28117, 32705, 42629, 49585, 56234, 65410, 85258, 99170, 140585, 191377, 213145, 281170, 307427, 382754, 426290, 614854, 956885, 1321499, 1537135, 1913770, 2642998, 3074270, 5932687, 6607495, 8994719, 11865374, 13214990, 17989438, 29663435, 44973595, 59326870, 89947190, 278836289, 557672578, 1394181445, 2788362890]

約数ペア:

[(1, 2788362890), (2, 1394181445), (5, 557672578), (10, 278836289), (31, 89947190), (47, 59326870), (62, 44973595), (94, 29663435), (155, 17989438), (211, 13214990), (235, 11865374), (310, 8994719), (422, 6607495), (470, 5932687), (907, 3074270), (1055, 2642998), (1457, 1913770), (1814, 1537135), (2110, 1321499), (2914, 956885), (4535, 614854), (6541, 426290), (7285, 382754), (9070, 307427), (9917, 281170), (13082, 213145), (14570, 191377), (19834, 140585), (28117, 99170), (32705, 85258), (42629, 65410), (49585, 56234)]