1378879990

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{9871}}^1$

素因数の和:10168

約数の個数: 32

約数和(自身を含む): 2533944960

約数和(自身を除く): 1155064970

約数列:

[1, 2, 5, 10, 61, 122, 229, 305, 458, 610, 1145, 2290, 9871, 13969, 19742, 27938, 49355, 69845, 98710, 139690, 602131, 1204262, 2260459, 3010655, 4520918, 6021310, 11302295, 22604590, 137887999, 275775998, 689439995, 1378879990]

約数ペア:

[(1, 1378879990), (2, 689439995), (5, 275775998), (10, 137887999), (61, 22604590), (122, 11302295), (229, 6021310), (305, 4520918), (458, 3010655), (610, 2260459), (1145, 1204262), (2290, 602131), (9871, 139690), (13969, 98710), (19742, 69845), (27938, 49355)]