346480

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 40

約数和(自身を含む): 830304

約数和(自身を除く): 483824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 71, 80, 122, 142, 244, 284, 305, 355, 488, 568, 610, 710, 976, 1136, 1220, 1420, 2440, 2840, 4331, 4880, 5680, 8662, 17324, 21655, 34648, 43310, 69296, 86620, 173240, 346480]

約数ペア:

[(1, 346480), (2, 173240), (4, 86620), (5, 69296), (8, 43310), (10, 34648), (16, 21655), (20, 17324), (40, 8662), (61, 5680), (71, 4880), (80, 4331), (122, 2840), (142, 2440), (244, 1420), (284, 1220), (305, 1136), (355, 976), (488, 710), (568, 610)]