28808940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{683}}^1$

素因数の和:751

約数の個数: 96

約数和(自身を含む): 87333120

約数和(自身を除く): 58524180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 37, 38, 57, 60, 74, 76, 95, 111, 114, 148, 185, 190, 222, 228, 285, 370, 380, 444, 555, 570, 683, 703, 740, 1110, 1140, 1366, 1406, 2049, 2109, 2220, 2732, 2812, 3415, 3515, 4098, 4218, 6830, 7030, 8196, 8436, 10245, 10545, 12977, 13660, 14060, 20490, 21090, 25271, 25954, 38931, 40980, 42180, 50542, 51908, 64885, 75813, 77862, 101084, 126355, 129770, 151626, 155724, 194655, 252710, 259540, 303252, 379065, 389310, 480149, 505420, 758130, 778620, 960298, 1440447, 1516260, 1920596, 2400745, 2880894, 4801490, 5761788, 7202235, 9602980, 14404470, 28808940]

約数ペア:

[(1, 28808940), (2, 14404470), (3, 9602980), (4, 7202235), (5, 5761788), (6, 4801490), (10, 2880894), (12, 2400745), (15, 1920596), (19, 1516260), (20, 1440447), (30, 960298), (37, 778620), (38, 758130), (57, 505420), (60, 480149), (74, 389310), (76, 379065), (95, 303252), (111, 259540), (114, 252710), (148, 194655), (185, 155724), (190, 151626), (222, 129770), (228, 126355), (285, 101084), (370, 77862), (380, 75813), (444, 64885), (555, 51908), (570, 50542), (683, 42180), (703, 40980), (740, 38931), (1110, 25954), (1140, 25271), (1366, 21090), (1406, 20490), (2049, 14060), (2109, 13660), (2220, 12977), (2732, 10545), (2812, 10245), (3415, 8436), (3515, 8196), (4098, 7030), (4218, 6830)]