145427860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1\times {\mathrm{691}}^1$

素因数の和:1336

約数の個数: 48

約数和(自身を含む): 324354240

約数和(自身を除く): 178926380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 619, 691, 1238, 1382, 2476, 2764, 3095, 3455, 6190, 6910, 10523, 11747, 12380, 13820, 21046, 23494, 42092, 46988, 52615, 58735, 105230, 117470, 210460, 234940, 427729, 855458, 1710916, 2138645, 4277290, 7271393, 8554580, 14542786, 29085572, 36356965, 72713930, 145427860]

約数ペア:

[(1, 145427860), (2, 72713930), (4, 36356965), (5, 29085572), (10, 14542786), (17, 8554580), (20, 7271393), (34, 4277290), (68, 2138645), (85, 1710916), (170, 855458), (340, 427729), (619, 234940), (691, 210460), (1238, 117470), (1382, 105230), (2476, 58735), (2764, 52615), (3095, 46988), (3455, 42092), (6190, 23494), (6910, 21046), (10523, 13820), (11747, 12380)]