450128680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{9811}}^1$

素因数の和:9890

約数の個数: 64

約数和(自身を含む): 1073825280

約数和(自身を除く): 623696600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 1147, 1240, 1480, 2294, 4588, 5735, 9176, 9811, 11470, 19622, 22940, 39244, 45880, 49055, 78488, 98110, 196220, 304141, 363007, 392440, 608282, 726014, 1216564, 1452028, 1520705, 1815035, 2433128, 2904056, 3041410, 3630070, 6082820, 7260140, 11253217, 12165640, 14520280, 22506434, 45012868, 56266085, 90025736, 112532170, 225064340, 450128680]

約数ペア:

[(1, 450128680), (2, 225064340), (4, 112532170), (5, 90025736), (8, 56266085), (10, 45012868), (20, 22506434), (31, 14520280), (37, 12165640), (40, 11253217), (62, 7260140), (74, 6082820), (124, 3630070), (148, 3041410), (155, 2904056), (185, 2433128), (248, 1815035), (296, 1520705), (310, 1452028), (370, 1216564), (620, 726014), (740, 608282), (1147, 392440), (1240, 363007), (1480, 304141), (2294, 196220), (4588, 98110), (5735, 78488), (9176, 49055), (9811, 45880), (11470, 39244), (19622, 22940)]