42915940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1213}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 94837680

約数和(自身を除く): 51921740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 1213, 1220, 1769, 2426, 3538, 4852, 6065, 7076, 8845, 12130, 17690, 24260, 35177, 35380, 70354, 73993, 140708, 147986, 175885, 295972, 351770, 369965, 703540, 739930, 1479860, 2145797, 4291594, 8583188, 10728985, 21457970, 42915940]

約数ペア:

[(1, 42915940), (2, 21457970), (4, 10728985), (5, 8583188), (10, 4291594), (20, 2145797), (29, 1479860), (58, 739930), (61, 703540), (116, 369965), (122, 351770), (145, 295972), (244, 175885), (290, 147986), (305, 140708), (580, 73993), (610, 70354), (1213, 35380), (1220, 35177), (1769, 24260), (2426, 17690), (3538, 12130), (4852, 8845), (6065, 7076)]