348560680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{16349}}^1$

素因数の和:16414

約数の個数: 64

約数和(自身を含む): 865242000

約数和(自身を除く): 516681320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1640, 2132, 2665, 4264, 5330, 10660, 16349, 21320, 32698, 65396, 81745, 130792, 163490, 212537, 326980, 425074, 653960, 670309, 850148, 1062685, 1340618, 1700296, 2125370, 2681236, 3351545, 4250740, 5362472, 6703090, 8501480, 8714017, 13406180, 17428034, 26812360, 34856068, 43570085, 69712136, 87140170, 174280340, 348560680]

約数ペア:

[(1, 348560680), (2, 174280340), (4, 87140170), (5, 69712136), (8, 43570085), (10, 34856068), (13, 26812360), (20, 17428034), (26, 13406180), (40, 8714017), (41, 8501480), (52, 6703090), (65, 5362472), (82, 4250740), (104, 3351545), (130, 2681236), (164, 2125370), (205, 1700296), (260, 1340618), (328, 1062685), (410, 850148), (520, 670309), (533, 653960), (820, 425074), (1066, 326980), (1640, 212537), (2132, 163490), (2665, 130792), (4264, 81745), (5330, 65396), (10660, 32698), (16349, 21320)]