148916900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{409}}^1$

素因数の和:765

約数の個数: 72

約数和(自身を含む): 354456480

約数和(自身を除く): 205539580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 331, 409, 550, 662, 818, 1100, 1324, 1636, 1655, 2045, 3310, 3641, 4090, 4499, 6620, 7282, 8180, 8275, 8998, 10225, 14564, 16550, 17996, 18205, 20450, 22495, 33100, 36410, 40900, 44990, 72820, 89980, 91025, 112475, 135379, 182050, 224950, 270758, 364100, 449900, 541516, 676895, 1353790, 1489169, 2707580, 2978338, 3384475, 5956676, 6768950, 7445845, 13537900, 14891690, 29783380, 37229225, 74458450, 148916900]

約数ペア:

[(1, 148916900), (2, 74458450), (4, 37229225), (5, 29783380), (10, 14891690), (11, 13537900), (20, 7445845), (22, 6768950), (25, 5956676), (44, 3384475), (50, 2978338), (55, 2707580), (100, 1489169), (110, 1353790), (220, 676895), (275, 541516), (331, 449900), (409, 364100), (550, 270758), (662, 224950), (818, 182050), (1100, 135379), (1324, 112475), (1636, 91025), (1655, 89980), (2045, 72820), (3310, 44990), (3641, 40900), (4090, 36410), (4499, 33100), (6620, 22495), (7282, 20450), (8180, 18205), (8275, 17996), (8998, 16550), (10225, 14564)]