644133050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{13159}}^1$

素因数の和:13271

約数の個数: 48

約数和(自身を含む): 1321790400

約数和(自身を除く): 677657350

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 89, 110, 178, 275, 445, 550, 890, 979, 1958, 2225, 4450, 4895, 9790, 13159, 24475, 26318, 48950, 65795, 131590, 144749, 289498, 328975, 657950, 723745, 1171151, 1447490, 2342302, 3618725, 5855755, 7237450, 11711510, 12882661, 25765322, 29278775, 58557550, 64413305, 128826610, 322066525, 644133050]

約数ペア:

[(1, 644133050), (2, 322066525), (5, 128826610), (10, 64413305), (11, 58557550), (22, 29278775), (25, 25765322), (50, 12882661), (55, 11711510), (89, 7237450), (110, 5855755), (178, 3618725), (275, 2342302), (445, 1447490), (550, 1171151), (890, 723745), (979, 657950), (1958, 328975), (2225, 289498), (4450, 144749), (4895, 131590), (9790, 65795), (13159, 48950), (24475, 26318)]