845711620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{331}}^1$

素因数の和:701

約数の個数: 96

約数和(自身を含む): 1986518016

約数和(自身を除く): 1140806396

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 317, 331, 403, 620, 634, 662, 806, 1268, 1324, 1585, 1612, 1655, 2015, 3170, 3310, 4030, 4121, 4303, 6340, 6620, 8060, 8242, 8606, 9827, 10261, 16484, 17212, 19654, 20522, 20605, 21515, 39308, 41044, 41210, 43030, 49135, 51305, 82420, 86060, 98270, 102610, 104927, 127751, 133393, 196540, 205220, 209854, 255502, 266786, 419708, 511004, 524635, 533572, 638755, 666965, 1049270, 1277510, 1333930, 1364051, 2098540, 2555020, 2667860, 2728102, 3252737, 5456204, 6505474, 6820255, 13010948, 13640510, 16263685, 27281020, 32527370, 42285581, 65054740, 84571162, 169142324, 211427905, 422855810, 845711620]

約数ペア:

[(1, 845711620), (2, 422855810), (4, 211427905), (5, 169142324), (10, 84571162), (13, 65054740), (20, 42285581), (26, 32527370), (31, 27281020), (52, 16263685), (62, 13640510), (65, 13010948), (124, 6820255), (130, 6505474), (155, 5456204), (260, 3252737), (310, 2728102), (317, 2667860), (331, 2555020), (403, 2098540), (620, 1364051), (634, 1333930), (662, 1277510), (806, 1049270), (1268, 666965), (1324, 638755), (1585, 533572), (1612, 524635), (1655, 511004), (2015, 419708), (3170, 266786), (3310, 255502), (4030, 209854), (4121, 205220), (4303, 196540), (6340, 133393), (6620, 127751), (8060, 104927), (8242, 102610), (8606, 98270), (9827, 86060), (10261, 82420), (16484, 51305), (17212, 49135), (19654, 43030), (20522, 41210), (20605, 41044), (21515, 39308)]