245864560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{161753}}^1$

素因数の和:161785

約数の個数: 40

約数和(自身を含む): 601724880

約数和(自身を除く): 355860320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 161753, 323506, 647012, 808765, 1294024, 1617530, 2588048, 3073307, 3235060, 6146614, 6470120, 12293228, 12940240, 15366535, 24586456, 30733070, 49172912, 61466140, 122932280, 245864560]

約数ペア:

[(1, 245864560), (2, 122932280), (4, 61466140), (5, 49172912), (8, 30733070), (10, 24586456), (16, 15366535), (19, 12940240), (20, 12293228), (38, 6470120), (40, 6146614), (76, 3235060), (80, 3073307), (95, 2588048), (152, 1617530), (190, 1294024), (304, 808765), (380, 647012), (760, 323506), (1520, 161753)]