397678160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{15583}}^1$

素因数の和:15636

約数の個数: 80

約数和(自身を含む): 1043504640

約数和(自身を除く): 645826480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2320, 2552, 3190, 5104, 6380, 12760, 15583, 25520, 31166, 62332, 77915, 124664, 155830, 171413, 249328, 311660, 342826, 451907, 623320, 685652, 857065, 903814, 1246640, 1371304, 1714130, 1807628, 2259535, 2742608, 3428260, 3615256, 4519070, 4970977, 6856520, 7230512, 9038140, 9941954, 13713040, 18076280, 19883908, 24854885, 36152560, 39767816, 49709770, 79535632, 99419540, 198839080, 397678160]

約数ペア:

[(1, 397678160), (2, 198839080), (4, 99419540), (5, 79535632), (8, 49709770), (10, 39767816), (11, 36152560), (16, 24854885), (20, 19883908), (22, 18076280), (29, 13713040), (40, 9941954), (44, 9038140), (55, 7230512), (58, 6856520), (80, 4970977), (88, 4519070), (110, 3615256), (116, 3428260), (145, 2742608), (176, 2259535), (220, 1807628), (232, 1714130), (290, 1371304), (319, 1246640), (440, 903814), (464, 857065), (580, 685652), (638, 623320), (880, 451907), (1160, 342826), (1276, 311660), (1595, 249328), (2320, 171413), (2552, 155830), (3190, 124664), (5104, 77915), (6380, 62332), (12760, 31166), (15583, 25520)]