3900650

素因数分解:

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

素因数の和:395

約数の個数: 48

約数和(自身を含む): 8296344

約数和(自身を除く): 4395694

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 353, 425, 442, 650, 706, 850, 1105, 1765, 2210, 3530, 4589, 5525, 6001, 8825, 9178, 11050, 12002, 17650, 22945, 30005, 45890, 60010, 78013, 114725, 150025, 156026, 229450, 300050, 390065, 780130, 1950325, 3900650]

約数ペア:

[(1, 3900650), (2, 1950325), (5, 780130), (10, 390065), (13, 300050), (17, 229450), (25, 156026), (26, 150025), (34, 114725), (50, 78013), (65, 60010), (85, 45890), (130, 30005), (170, 22945), (221, 17650), (325, 12002), (353, 11050), (425, 9178), (442, 8825), (650, 6001), (706, 5525), (850, 4589), (1105, 3530), (1765, 2210)]