78385940

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{1013}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 170181648

約数和(自身を除く): 91795708

約数列:

[1, 2, 4, 5, 10, 20, 53, 73, 106, 146, 212, 265, 292, 365, 530, 730, 1013, 1060, 1460, 2026, 3869, 4052, 5065, 7738, 10130, 15476, 19345, 20260, 38690, 53689, 73949, 77380, 107378, 147898, 214756, 268445, 295796, 369745, 536890, 739490, 1073780, 1478980, 3919297, 7838594, 15677188, 19596485, 39192970, 78385940]

約数ペア:

[(1, 78385940), (2, 39192970), (4, 19596485), (5, 15677188), (10, 7838594), (20, 3919297), (53, 1478980), (73, 1073780), (106, 739490), (146, 536890), (212, 369745), (265, 295796), (292, 268445), (365, 214756), (530, 147898), (730, 107378), (1013, 77380), (1060, 73949), (1460, 53689), (2026, 38690), (3869, 20260), (4052, 19345), (5065, 15476), (7738, 10130)]