639898340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{58067}}^1$

素因数の和:58124

約数の個数: 48

約数和(自身を含む): 1463313600

約数和(自身を除く): 823415260

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2755, 5510, 11020, 58067, 116134, 232268, 290335, 580670, 1103273, 1161340, 1683943, 2206546, 3367886, 4413092, 5516365, 6735772, 8419715, 11032730, 16839430, 22065460, 31994917, 33678860, 63989834, 127979668, 159974585, 319949170, 639898340]

約数ペア:

[(1, 639898340), (2, 319949170), (4, 159974585), (5, 127979668), (10, 63989834), (19, 33678860), (20, 31994917), (29, 22065460), (38, 16839430), (58, 11032730), (76, 8419715), (95, 6735772), (116, 5516365), (145, 4413092), (190, 3367886), (290, 2206546), (380, 1683943), (551, 1161340), (580, 1103273), (1102, 580670), (2204, 290335), (2755, 232268), (5510, 116134), (11020, 58067)]