780130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 1605744

約数和(自身を除く): 825614

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 353, 442, 706, 1105, 1765, 2210, 3530, 4589, 6001, 9178, 12002, 22945, 30005, 45890, 60010, 78013, 156026, 390065, 780130]

約数ペア:

[(1, 780130), (2, 390065), (5, 156026), (10, 78013), (13, 60010), (17, 45890), (26, 30005), (34, 22945), (65, 12002), (85, 9178), (130, 6001), (170, 4589), (221, 3530), (353, 2210), (442, 1765), (706, 1105)]