148973540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{659}}^1$

素因数の和:884

約数の個数: 48

約数和(自身を含む): 319334400

約数和(自身を除く): 170360860

約数列:

[1, 2, 4, 5, 10, 20, 89, 127, 178, 254, 356, 445, 508, 635, 659, 890, 1270, 1318, 1780, 2540, 2636, 3295, 6590, 11303, 13180, 22606, 45212, 56515, 58651, 83693, 113030, 117302, 167386, 226060, 234604, 293255, 334772, 418465, 586510, 836930, 1173020, 1673860, 7448677, 14897354, 29794708, 37243385, 74486770, 148973540]

約数ペア:

[(1, 148973540), (2, 74486770), (4, 37243385), (5, 29794708), (10, 14897354), (20, 7448677), (89, 1673860), (127, 1173020), (178, 836930), (254, 586510), (356, 418465), (445, 334772), (508, 293255), (635, 234604), (659, 226060), (890, 167386), (1270, 117302), (1318, 113030), (1780, 83693), (2540, 58651), (2636, 56515), (3295, 45212), (6590, 22606), (11303, 13180)]