305202440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{246131}}^1$

素因数の和:246173

約数の個数: 32

約数和(自身を含む): 708860160

約数和(自身を除く): 403657720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 246131, 492262, 984524, 1230655, 1969048, 2461310, 4922620, 7630061, 9845240, 15260122, 30520244, 38150305, 61040488, 76300610, 152601220, 305202440]

約数ペア:

[(1, 305202440), (2, 152601220), (4, 76300610), (5, 61040488), (8, 38150305), (10, 30520244), (20, 15260122), (31, 9845240), (40, 7630061), (62, 4922620), (124, 2461310), (155, 1969048), (248, 1230655), (310, 984524), (620, 492262), (1240, 246131)]