489525790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1621}}^1$

素因数の和:1765

約数の個数: 64

約数和(自身を含む): 1000605312

約数和(自身を除く): 511079522

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 101, 115, 130, 202, 230, 299, 505, 598, 1010, 1313, 1495, 1621, 2323, 2626, 2990, 3242, 4646, 6565, 8105, 11615, 13130, 16210, 21073, 23230, 30199, 37283, 42146, 60398, 74566, 105365, 150995, 163721, 186415, 210730, 301990, 327442, 372830, 484679, 818605, 969358, 1637210, 2128373, 2423395, 3765583, 4256746, 4846790, 7531166, 10641865, 18827915, 21283730, 37655830, 48952579, 97905158, 244762895, 489525790]

約数ペア:

[(1, 489525790), (2, 244762895), (5, 97905158), (10, 48952579), (13, 37655830), (23, 21283730), (26, 18827915), (46, 10641865), (65, 7531166), (101, 4846790), (115, 4256746), (130, 3765583), (202, 2423395), (230, 2128373), (299, 1637210), (505, 969358), (598, 818605), (1010, 484679), (1313, 372830), (1495, 327442), (1621, 301990), (2323, 210730), (2626, 186415), (2990, 163721), (3242, 150995), (4646, 105365), (6565, 74566), (8105, 60398), (11615, 42146), (13130, 37283), (16210, 30199), (21073, 23230)]