28509420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:391

約数の個数: 96

約数和(自身を含む): 84736512

約数和(自身を除く): 56227092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 73, 92, 115, 138, 146, 219, 230, 276, 283, 292, 345, 365, 438, 460, 566, 690, 730, 849, 876, 1095, 1132, 1380, 1415, 1460, 1679, 1698, 2190, 2830, 3358, 3396, 4245, 4380, 5037, 5660, 6509, 6716, 8395, 8490, 10074, 13018, 16790, 16980, 19527, 20148, 20659, 25185, 26036, 32545, 33580, 39054, 41318, 50370, 61977, 65090, 78108, 82636, 97635, 100740, 103295, 123954, 130180, 195270, 206590, 247908, 309885, 390540, 413180, 475157, 619770, 950314, 1239540, 1425471, 1900628, 2375785, 2850942, 4751570, 5701884, 7127355, 9503140, 14254710, 28509420]

約数ペア:

[(1, 28509420), (2, 14254710), (3, 9503140), (4, 7127355), (5, 5701884), (6, 4751570), (10, 2850942), (12, 2375785), (15, 1900628), (20, 1425471), (23, 1239540), (30, 950314), (46, 619770), (60, 475157), (69, 413180), (73, 390540), (92, 309885), (115, 247908), (138, 206590), (146, 195270), (219, 130180), (230, 123954), (276, 103295), (283, 100740), (292, 97635), (345, 82636), (365, 78108), (438, 65090), (460, 61977), (566, 50370), (690, 41318), (730, 39054), (849, 33580), (876, 32545), (1095, 26036), (1132, 25185), (1380, 20659), (1415, 20148), (1460, 19527), (1679, 16980), (1698, 16790), (2190, 13018), (2830, 10074), (3358, 8490), (3396, 8395), (4245, 6716), (4380, 6509), (5037, 5660)]