1798280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 4553280

約数和(自身を除く): 2755000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 67, 88, 110, 122, 134, 220, 244, 268, 305, 335, 440, 488, 536, 610, 670, 671, 737, 1220, 1340, 1342, 1474, 2440, 2680, 2684, 2948, 3355, 3685, 4087, 5368, 5896, 6710, 7370, 8174, 13420, 14740, 16348, 20435, 26840, 29480, 32696, 40870, 44957, 81740, 89914, 163480, 179828, 224785, 359656, 449570, 899140, 1798280]

約数ペア:

[(1, 1798280), (2, 899140), (4, 449570), (5, 359656), (8, 224785), (10, 179828), (11, 163480), (20, 89914), (22, 81740), (40, 44957), (44, 40870), (55, 32696), (61, 29480), (67, 26840), (88, 20435), (110, 16348), (122, 14740), (134, 13420), (220, 8174), (244, 7370), (268, 6710), (305, 5896), (335, 5368), (440, 4087), (488, 3685), (536, 3355), (610, 2948), (670, 2684), (671, 2680), (737, 2440), (1220, 1474), (1340, 1342)]