2099500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:68

約数の個数: 96

約数和(自身を含む): 5503680

約数和(自身を除く): 3404180

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 25, 26, 34, 38, 50, 52, 65, 68, 76, 85, 95, 100, 125, 130, 170, 190, 221, 247, 250, 260, 323, 325, 340, 380, 425, 442, 475, 494, 500, 646, 650, 850, 884, 950, 988, 1105, 1235, 1292, 1300, 1615, 1625, 1700, 1900, 2125, 2210, 2375, 2470, 3230, 3250, 4199, 4250, 4420, 4750, 4940, 5525, 6175, 6460, 6500, 8075, 8398, 8500, 9500, 11050, 12350, 16150, 16796, 20995, 22100, 24700, 27625, 30875, 32300, 40375, 41990, 55250, 61750, 80750, 83980, 104975, 110500, 123500, 161500, 209950, 419900, 524875, 1049750, 2099500]

約数ペア:

[(1, 2099500), (2, 1049750), (4, 524875), (5, 419900), (10, 209950), (13, 161500), (17, 123500), (19, 110500), (20, 104975), (25, 83980), (26, 80750), (34, 61750), (38, 55250), (50, 41990), (52, 40375), (65, 32300), (68, 30875), (76, 27625), (85, 24700), (95, 22100), (100, 20995), (125, 16796), (130, 16150), (170, 12350), (190, 11050), (221, 9500), (247, 8500), (250, 8398), (260, 8075), (323, 6500), (325, 6460), (340, 6175), (380, 5525), (425, 4940), (442, 4750), (475, 4420), (494, 4250), (500, 4199), (646, 3250), (650, 3230), (850, 2470), (884, 2375), (950, 2210), (988, 2125), (1105, 1900), (1235, 1700), (1292, 1625), (1300, 1615)]