345590480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{421}}^1$

素因数の和:796

約数の個数: 80

約数和(自身を含む): 833899008

約数和(自身を除く): 488308528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 331, 421, 496, 620, 662, 842, 1240, 1324, 1655, 1684, 2105, 2480, 2648, 3310, 3368, 4210, 5296, 6620, 6736, 8420, 10261, 13051, 13240, 16840, 20522, 26102, 26480, 33680, 41044, 51305, 52204, 65255, 82088, 102610, 104408, 130510, 139351, 164176, 205220, 208816, 261020, 278702, 410440, 522040, 557404, 696755, 820880, 1044080, 1114808, 1393510, 2229616, 2787020, 4319881, 5574040, 8639762, 11148080, 17279524, 21599405, 34559048, 43198810, 69118096, 86397620, 172795240, 345590480]

約数ペア:

[(1, 345590480), (2, 172795240), (4, 86397620), (5, 69118096), (8, 43198810), (10, 34559048), (16, 21599405), (20, 17279524), (31, 11148080), (40, 8639762), (62, 5574040), (80, 4319881), (124, 2787020), (155, 2229616), (248, 1393510), (310, 1114808), (331, 1044080), (421, 820880), (496, 696755), (620, 557404), (662, 522040), (842, 410440), (1240, 278702), (1324, 261020), (1655, 208816), (1684, 205220), (2105, 164176), (2480, 139351), (2648, 130510), (3310, 104408), (3368, 102610), (4210, 82088), (5296, 65255), (6620, 52204), (6736, 51305), (8420, 41044), (10261, 33680), (13051, 26480), (13240, 26102), (16840, 20522)]