28670620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^4$

素因数の和:96

約数の個数: 60

約数和(自身を含む): 69330744

約数和(自身を除く): 40660124

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 361, 380, 418, 722, 836, 1045, 1444, 1805, 2090, 3610, 3971, 4180, 6859, 7220, 7942, 13718, 15884, 19855, 27436, 34295, 39710, 68590, 75449, 79420, 130321, 137180, 150898, 260642, 301796, 377245, 521284, 651605, 754490, 1303210, 1433531, 1508980, 2606420, 2867062, 5734124, 7167655, 14335310, 28670620]

約数ペア:

[(1, 28670620), (2, 14335310), (4, 7167655), (5, 5734124), (10, 2867062), (11, 2606420), (19, 1508980), (20, 1433531), (22, 1303210), (38, 754490), (44, 651605), (55, 521284), (76, 377245), (95, 301796), (110, 260642), (190, 150898), (209, 137180), (220, 130321), (361, 79420), (380, 75449), (418, 68590), (722, 39710), (836, 34295), (1045, 27436), (1444, 19855), (1805, 15884), (2090, 13718), (3610, 7942), (3971, 7220), (4180, 6859)]