1959820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 4435200

約数和(自身を除く): 2475380

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 109, 116, 124, 145, 155, 218, 290, 310, 436, 545, 580, 620, 899, 1090, 1798, 2180, 3161, 3379, 3596, 4495, 6322, 6758, 8990, 12644, 13516, 15805, 16895, 17980, 31610, 33790, 63220, 67580, 97991, 195982, 391964, 489955, 979910, 1959820]

約数ペア:

[(1, 1959820), (2, 979910), (4, 489955), (5, 391964), (10, 195982), (20, 97991), (29, 67580), (31, 63220), (58, 33790), (62, 31610), (109, 17980), (116, 16895), (124, 15805), (145, 13516), (155, 12644), (218, 8990), (290, 6758), (310, 6322), (436, 4495), (545, 3596), (580, 3379), (620, 3161), (899, 2180), (1090, 1798)]