4111220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 9408000

約数和(自身を除く): 5296780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 349, 380, 589, 620, 698, 1178, 1396, 1745, 2356, 2945, 3490, 5890, 6631, 6980, 10819, 11780, 13262, 21638, 26524, 33155, 43276, 54095, 66310, 108190, 132620, 205561, 216380, 411122, 822244, 1027805, 2055610, 4111220]

約数ペア:

[(1, 4111220), (2, 2055610), (4, 1027805), (5, 822244), (10, 411122), (19, 216380), (20, 205561), (31, 132620), (38, 108190), (62, 66310), (76, 54095), (95, 43276), (124, 33155), (155, 26524), (190, 21638), (310, 13262), (349, 11780), (380, 10819), (589, 6980), (620, 6631), (698, 5890), (1178, 3490), (1396, 2945), (1745, 2356)]