30819140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 76083840

約数和(自身を除く): 45264700

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 73, 76, 95, 101, 110, 146, 190, 202, 209, 220, 292, 365, 380, 404, 418, 505, 730, 803, 836, 1010, 1045, 1111, 1387, 1460, 1606, 1919, 2020, 2090, 2222, 2774, 3212, 3838, 4015, 4180, 4444, 5548, 5555, 6935, 7373, 7676, 8030, 9595, 11110, 13870, 14746, 15257, 16060, 19190, 21109, 22220, 27740, 29492, 30514, 36865, 38380, 42218, 61028, 73730, 76285, 81103, 84436, 105545, 140087, 147460, 152570, 162206, 211090, 280174, 305140, 324412, 405515, 422180, 560348, 700435, 811030, 1400870, 1540957, 1622060, 2801740, 3081914, 6163828, 7704785, 15409570, 30819140]

約数ペア:

[(1, 30819140), (2, 15409570), (4, 7704785), (5, 6163828), (10, 3081914), (11, 2801740), (19, 1622060), (20, 1540957), (22, 1400870), (38, 811030), (44, 700435), (55, 560348), (73, 422180), (76, 405515), (95, 324412), (101, 305140), (110, 280174), (146, 211090), (190, 162206), (202, 152570), (209, 147460), (220, 140087), (292, 105545), (365, 84436), (380, 81103), (404, 76285), (418, 73730), (505, 61028), (730, 42218), (803, 38380), (836, 36865), (1010, 30514), (1045, 29492), (1111, 27740), (1387, 22220), (1460, 21109), (1606, 19190), (1919, 16060), (2020, 15257), (2090, 14746), (2222, 13870), (2774, 11110), (3212, 9595), (3838, 8030), (4015, 7676), (4180, 7373), (4444, 6935), (5548, 5555)]