1865990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 64

約数和(自身を含む): 4285440

約数和(自身を除く): 2419450

約数列:

[1, 2, 5, 7, 10, 14, 19, 23, 35, 38, 46, 61, 70, 95, 115, 122, 133, 161, 190, 230, 266, 305, 322, 427, 437, 610, 665, 805, 854, 874, 1159, 1330, 1403, 1610, 2135, 2185, 2318, 2806, 3059, 4270, 4370, 5795, 6118, 7015, 8113, 9821, 11590, 14030, 15295, 16226, 19642, 26657, 30590, 40565, 49105, 53314, 81130, 98210, 133285, 186599, 266570, 373198, 932995, 1865990]

約数ペア:

[(1, 1865990), (2, 932995), (5, 373198), (7, 266570), (10, 186599), (14, 133285), (19, 98210), (23, 81130), (35, 53314), (38, 49105), (46, 40565), (61, 30590), (70, 26657), (95, 19642), (115, 16226), (122, 15295), (133, 14030), (161, 11590), (190, 9821), (230, 8113), (266, 7015), (305, 6118), (322, 5795), (427, 4370), (437, 4270), (610, 3059), (665, 2806), (805, 2318), (854, 2185), (874, 2135), (1159, 1610), (1330, 1403)]