2005647990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{6991}}^1$

素因数の和:7205

約数の個数: 64

約数和(自身を含む): 4917445632

約数和(自身を除く): 2911797642

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 131, 146, 219, 262, 365, 393, 438, 655, 730, 786, 1095, 1310, 1965, 2190, 3930, 6991, 9563, 13982, 19126, 20973, 28689, 34955, 41946, 47815, 57378, 69910, 95630, 104865, 143445, 209730, 286890, 510343, 915821, 1020686, 1531029, 1831642, 2551715, 2747463, 3062058, 4579105, 5103430, 5494926, 7655145, 9158210, 13737315, 15310290, 27474630, 66854933, 133709866, 200564799, 334274665, 401129598, 668549330, 1002823995, 2005647990]

約数ペア:

[(1, 2005647990), (2, 1002823995), (3, 668549330), (5, 401129598), (6, 334274665), (10, 200564799), (15, 133709866), (30, 66854933), (73, 27474630), (131, 15310290), (146, 13737315), (219, 9158210), (262, 7655145), (365, 5494926), (393, 5103430), (438, 4579105), (655, 3062058), (730, 2747463), (786, 2551715), (1095, 1831642), (1310, 1531029), (1965, 1020686), (2190, 915821), (3930, 510343), (6991, 286890), (9563, 209730), (13982, 143445), (19126, 104865), (20973, 95630), (28689, 69910), (34955, 57378), (41946, 47815)]