728650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:103

約数の個数: 48

約数和(自身を含む): 1562400

約数和(自身を除く): 833750

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 59, 65, 95, 118, 130, 190, 247, 295, 325, 475, 494, 590, 650, 767, 950, 1121, 1235, 1475, 1534, 2242, 2470, 2950, 3835, 5605, 6175, 7670, 11210, 12350, 14573, 19175, 28025, 29146, 38350, 56050, 72865, 145730, 364325, 728650]

約数ペア:

[(1, 728650), (2, 364325), (5, 145730), (10, 72865), (13, 56050), (19, 38350), (25, 29146), (26, 28025), (38, 19175), (50, 14573), (59, 12350), (65, 11210), (95, 7670), (118, 6175), (130, 5605), (190, 3835), (247, 2950), (295, 2470), (325, 2242), (475, 1534), (494, 1475), (590, 1235), (650, 1121), (767, 950)]