71147860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{821}}^1$

素因数の和:1456

約数の個数: 48

約数和(自身を含む): 171239040

約数和(自身を除く): 100091180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 619, 821, 1238, 1642, 2476, 3095, 3284, 4105, 4333, 5747, 6190, 8210, 8666, 11494, 12380, 16420, 17332, 21665, 22988, 28735, 43330, 57470, 86660, 114940, 508199, 1016398, 2032796, 2540995, 3557393, 5081990, 7114786, 10163980, 14229572, 17786965, 35573930, 71147860]

約数ペア:

[(1, 71147860), (2, 35573930), (4, 17786965), (5, 14229572), (7, 10163980), (10, 7114786), (14, 5081990), (20, 3557393), (28, 2540995), (35, 2032796), (70, 1016398), (140, 508199), (619, 114940), (821, 86660), (1238, 57470), (1642, 43330), (2476, 28735), (3095, 22988), (3284, 21665), (4105, 17332), (4333, 16420), (5747, 12380), (6190, 11494), (8210, 8666)]