347841280

素因数分解:

$2^8\times 5^1\times {\mathrm{331}}^1\times {\mathrm{821}}^1$

素因数の和:1173

約数の個数: 72

約数和(自身を含む): 836723664

約数和(自身を除く): 488882384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 331, 640, 662, 821, 1280, 1324, 1642, 1655, 2648, 3284, 3310, 4105, 5296, 6568, 6620, 8210, 10592, 13136, 13240, 16420, 21184, 26272, 26480, 32840, 42368, 52544, 52960, 65680, 84736, 105088, 105920, 131360, 210176, 211840, 262720, 271751, 423680, 525440, 543502, 1050880, 1087004, 1358755, 2174008, 2717510, 4348016, 5435020, 8696032, 10870040, 17392064, 21740080, 34784128, 43480160, 69568256, 86960320, 173920640, 347841280]

約数ペア:

[(1, 347841280), (2, 173920640), (4, 86960320), (5, 69568256), (8, 43480160), (10, 34784128), (16, 21740080), (20, 17392064), (32, 10870040), (40, 8696032), (64, 5435020), (80, 4348016), (128, 2717510), (160, 2174008), (256, 1358755), (320, 1087004), (331, 1050880), (640, 543502), (662, 525440), (821, 423680), (1280, 271751), (1324, 262720), (1642, 211840), (1655, 210176), (2648, 131360), (3284, 105920), (3310, 105088), (4105, 84736), (5296, 65680), (6568, 52960), (6620, 52544), (8210, 42368), (10592, 32840), (13136, 26480), (13240, 26272), (16420, 21184)]