506938380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{649921}}^1$

素因数の和:649946

約数の個数: 48

約数和(自身を含む): 1528616544

約数和(自身を除く): 1021678164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 649921, 1299842, 1949763, 2599684, 3249605, 3899526, 6499210, 7799052, 8448973, 9748815, 12998420, 16897946, 19497630, 25346919, 33795892, 38995260, 42244865, 50693838, 84489730, 101387676, 126734595, 168979460, 253469190, 506938380]

約数ペア:

[(1, 506938380), (2, 253469190), (3, 168979460), (4, 126734595), (5, 101387676), (6, 84489730), (10, 50693838), (12, 42244865), (13, 38995260), (15, 33795892), (20, 25346919), (26, 19497630), (30, 16897946), (39, 12998420), (52, 9748815), (60, 8448973), (65, 7799052), (78, 6499210), (130, 3899526), (156, 3249605), (195, 2599684), (260, 1949763), (390, 1299842), (780, 649921)]