390916510

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{503}}^1$

素因数の和:673

約数の個数: 64

約数和(自身を含む): 766402560

約数和(自身を除く): 375486050

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 109, 115, 155, 218, 230, 310, 503, 545, 713, 1006, 1090, 1426, 2507, 2515, 3379, 3565, 5014, 5030, 6758, 7130, 11569, 12535, 15593, 16895, 23138, 25070, 31186, 33790, 54827, 57845, 77717, 77965, 109654, 115690, 155434, 155930, 274135, 358639, 388585, 548270, 717278, 777170, 1261021, 1699637, 1793195, 2522042, 3399274, 3586390, 6305105, 8498185, 12610210, 16996370, 39091651, 78183302, 195458255, 390916510]

約数ペア:

[(1, 390916510), (2, 195458255), (5, 78183302), (10, 39091651), (23, 16996370), (31, 12610210), (46, 8498185), (62, 6305105), (109, 3586390), (115, 3399274), (155, 2522042), (218, 1793195), (230, 1699637), (310, 1261021), (503, 777170), (545, 717278), (713, 548270), (1006, 388585), (1090, 358639), (1426, 274135), (2507, 155930), (2515, 155434), (3379, 115690), (3565, 109654), (5014, 77965), (5030, 77717), (6758, 57845), (7130, 54827), (11569, 33790), (12535, 31186), (15593, 25070), (16895, 23138)]