8228900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 19373760

約数和(自身を除く): 11144860

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 61, 71, 76, 95, 100, 122, 142, 190, 244, 284, 305, 355, 380, 475, 610, 710, 950, 1159, 1220, 1349, 1420, 1525, 1775, 1900, 2318, 2698, 3050, 3550, 4331, 4636, 5396, 5795, 6100, 6745, 7100, 8662, 11590, 13490, 17324, 21655, 23180, 26980, 28975, 33725, 43310, 57950, 67450, 82289, 86620, 108275, 115900, 134900, 164578, 216550, 329156, 411445, 433100, 822890, 1645780, 2057225, 4114450, 8228900]

約数ペア:

[(1, 8228900), (2, 4114450), (4, 2057225), (5, 1645780), (10, 822890), (19, 433100), (20, 411445), (25, 329156), (38, 216550), (50, 164578), (61, 134900), (71, 115900), (76, 108275), (95, 86620), (100, 82289), (122, 67450), (142, 57950), (190, 43310), (244, 33725), (284, 28975), (305, 26980), (355, 23180), (380, 21655), (475, 17324), (610, 13490), (710, 11590), (950, 8662), (1159, 7100), (1220, 6745), (1349, 6100), (1420, 5795), (1525, 5396), (1775, 4636), (1900, 4331), (2318, 3550), (2698, 3050)]