725822530

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 1385911296

約数和(自身を除く): 660088766

約数列:

[1, 2, 5, 10, 31, 61, 62, 122, 131, 155, 262, 293, 305, 310, 586, 610, 655, 1310, 1465, 1891, 2930, 3782, 4061, 7991, 8122, 9083, 9455, 15982, 17873, 18166, 18910, 20305, 35746, 38383, 39955, 40610, 45415, 76766, 79910, 89365, 90830, 178730, 191915, 247721, 383830, 495442, 554063, 1108126, 1189873, 1238605, 2341363, 2379746, 2477210, 2770315, 4682726, 5540630, 5949365, 11706815, 11898730, 23413630, 72582253, 145164506, 362911265, 725822530]

約数ペア:

[(1, 725822530), (2, 362911265), (5, 145164506), (10, 72582253), (31, 23413630), (61, 11898730), (62, 11706815), (122, 5949365), (131, 5540630), (155, 4682726), (262, 2770315), (293, 2477210), (305, 2379746), (310, 2341363), (586, 1238605), (610, 1189873), (655, 1108126), (1310, 554063), (1465, 495442), (1891, 383830), (2930, 247721), (3782, 191915), (4061, 178730), (7991, 90830), (8122, 89365), (9083, 79910), (9455, 76766), (15982, 45415), (17873, 40610), (18166, 39955), (18910, 38383), (20305, 35746)]