2139910

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:240

約数の個数: 32

約数和(自身を含む): 4095360

約数和(自身を除く): 1955450

約数列:

[1, 2, 5, 10, 29, 47, 58, 94, 145, 157, 235, 290, 314, 470, 785, 1363, 1570, 2726, 4553, 6815, 7379, 9106, 13630, 14758, 22765, 36895, 45530, 73790, 213991, 427982, 1069955, 2139910]

約数ペア:

[(1, 2139910), (2, 1069955), (5, 427982), (10, 213991), (29, 73790), (47, 45530), (58, 36895), (94, 22765), (145, 14758), (157, 13630), (235, 9106), (290, 7379), (314, 6815), (470, 4553), (785, 2726), (1363, 1570)]