208064900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1483}}^1$

素因数の和:1581

約数の個数: 72

約数和(自身を含む): 479177664

約数和(自身を除く): 271112764

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 61, 92, 100, 115, 122, 230, 244, 305, 460, 575, 610, 1150, 1220, 1403, 1483, 1525, 2300, 2806, 2966, 3050, 5612, 5932, 6100, 7015, 7415, 14030, 14830, 28060, 29660, 34109, 35075, 37075, 68218, 70150, 74150, 90463, 136436, 140300, 148300, 170545, 180926, 341090, 361852, 452315, 682180, 852725, 904630, 1705450, 1809260, 2080649, 2261575, 3410900, 4161298, 4523150, 8322596, 9046300, 10403245, 20806490, 41612980, 52016225, 104032450, 208064900]

約数ペア:

[(1, 208064900), (2, 104032450), (4, 52016225), (5, 41612980), (10, 20806490), (20, 10403245), (23, 9046300), (25, 8322596), (46, 4523150), (50, 4161298), (61, 3410900), (92, 2261575), (100, 2080649), (115, 1809260), (122, 1705450), (230, 904630), (244, 852725), (305, 682180), (460, 452315), (575, 361852), (610, 341090), (1150, 180926), (1220, 170545), (1403, 148300), (1483, 140300), (1525, 136436), (2300, 90463), (2806, 74150), (2966, 70150), (3050, 68218), (5612, 37075), (5932, 35075), (6100, 34109), (7015, 29660), (7415, 28060), (14030, 14830)]