30197860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19609}}^1$

素因数の和:19636

約数の個数: 48

約数和(自身を含む): 79067520

約数和(自身を除く): 48869660

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 19609, 39218, 78436, 98045, 137263, 196090, 215699, 274526, 392180, 431398, 549052, 686315, 862796, 1078495, 1372630, 1509893, 2156990, 2745260, 3019786, 4313980, 6039572, 7549465, 15098930, 30197860]

約数ペア:

[(1, 30197860), (2, 15098930), (4, 7549465), (5, 6039572), (7, 4313980), (10, 3019786), (11, 2745260), (14, 2156990), (20, 1509893), (22, 1372630), (28, 1078495), (35, 862796), (44, 686315), (55, 549052), (70, 431398), (77, 392180), (110, 274526), (140, 215699), (154, 196090), (220, 137263), (308, 98045), (385, 78436), (770, 39218), (1540, 19609)]