212486500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{22367}}^1$

素因数の和:22405

約数の個数: 48

約数和(自身を含む): 488517120

約数和(自身を除く): 276030620

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 2375, 4750, 9500, 22367, 44734, 89468, 111835, 223670, 424973, 447340, 559175, 849946, 1118350, 1699892, 2124865, 2236700, 2795875, 4249730, 5591750, 8499460, 10624325, 11183500, 21248650, 42497300, 53121625, 106243250, 212486500]

約数ペア:

[(1, 212486500), (2, 106243250), (4, 53121625), (5, 42497300), (10, 21248650), (19, 11183500), (20, 10624325), (25, 8499460), (38, 5591750), (50, 4249730), (76, 2795875), (95, 2236700), (100, 2124865), (125, 1699892), (190, 1118350), (250, 849946), (380, 559175), (475, 447340), (500, 424973), (950, 223670), (1900, 111835), (2375, 89468), (4750, 44734), (9500, 22367)]