305453890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{31393}}^1$

素因数の和:31546

約数の個数: 32

約数和(自身を含む): 632903040

約数和(自身を除く): 327449150

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 4865, 9730, 31393, 62786, 156965, 219751, 313930, 439502, 1098755, 2197510, 4363627, 8727254, 21818135, 30545389, 43636270, 61090778, 152726945, 305453890]

約数ペア:

[(1, 305453890), (2, 152726945), (5, 61090778), (7, 43636270), (10, 30545389), (14, 21818135), (35, 8727254), (70, 4363627), (139, 2197510), (278, 1098755), (695, 439502), (973, 313930), (1390, 219751), (1946, 156965), (4865, 62786), (9730, 31393)]