12380458900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{342949}}^1$

素因数の和:343001

約数の個数: 54

約数和(自身を含む): 28354077150

約数和(自身を除く): 15973618250

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 361, 380, 475, 722, 950, 1444, 1805, 1900, 3610, 7220, 9025, 18050, 36100, 342949, 685898, 1371796, 1714745, 3429490, 6516031, 6858980, 8573725, 13032062, 17147450, 26064124, 32580155, 34294900, 65160310, 123804589, 130320620, 162900775, 247609178, 325801550, 495218356, 619022945, 651603100, 1238045890, 2476091780, 3095114725, 6190229450, 12380458900]

約数ペア:

[(1, 12380458900), (2, 6190229450), (4, 3095114725), (5, 2476091780), (10, 1238045890), (19, 651603100), (20, 619022945), (25, 495218356), (38, 325801550), (50, 247609178), (76, 162900775), (95, 130320620), (100, 123804589), (190, 65160310), (361, 34294900), (380, 32580155), (475, 26064124), (722, 17147450), (950, 13032062), (1444, 8573725), (1805, 6858980), (1900, 6516031), (3610, 3429490), (7220, 1714745), (9025, 1371796), (18050, 685898), (36100, 342949)]