306756220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{1289}}^1$

素因数の和:1534

約数の個数: 48

約数和(自身を含む): 657528480

約数和(自身を除く): 350772260

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 163, 292, 326, 365, 652, 730, 815, 1289, 1460, 1630, 2578, 3260, 5156, 6445, 11899, 12890, 23798, 25780, 47596, 59495, 94097, 118990, 188194, 210107, 237980, 376388, 420214, 470485, 840428, 940970, 1050535, 1881940, 2101070, 4202140, 15337811, 30675622, 61351244, 76689055, 153378110, 306756220]

約数ペア:

[(1, 306756220), (2, 153378110), (4, 76689055), (5, 61351244), (10, 30675622), (20, 15337811), (73, 4202140), (146, 2101070), (163, 1881940), (292, 1050535), (326, 940970), (365, 840428), (652, 470485), (730, 420214), (815, 376388), (1289, 237980), (1460, 210107), (1630, 188194), (2578, 118990), (3260, 94097), (5156, 59495), (6445, 47596), (11899, 25780), (12890, 23798)]