2014220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 4666368

約数和(自身を除く): 2652148

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 127, 130, 244, 254, 260, 305, 508, 610, 635, 793, 1220, 1270, 1586, 1651, 2540, 3172, 3302, 3965, 6604, 7747, 7930, 8255, 15494, 15860, 16510, 30988, 33020, 38735, 77470, 100711, 154940, 201422, 402844, 503555, 1007110, 2014220]

約数ペア:

[(1, 2014220), (2, 1007110), (4, 503555), (5, 402844), (10, 201422), (13, 154940), (20, 100711), (26, 77470), (52, 38735), (61, 33020), (65, 30988), (122, 16510), (127, 15860), (130, 15494), (244, 8255), (254, 7930), (260, 7747), (305, 6604), (508, 3965), (610, 3302), (635, 3172), (793, 2540), (1220, 1651), (1270, 1586)]