38947740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:228

約数の個数: 144

約数和(自身を含む): 123959808

約数和(自身を除く): 85012068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 92, 115, 130, 138, 156, 167, 169, 195, 230, 260, 276, 299, 334, 338, 345, 390, 460, 501, 507, 598, 668, 676, 690, 780, 835, 845, 897, 1002, 1014, 1196, 1380, 1495, 1670, 1690, 1794, 2004, 2028, 2171, 2505, 2535, 2990, 3340, 3380, 3588, 3841, 3887, 4342, 4485, 5010, 5070, 5980, 6513, 7682, 7774, 8684, 8970, 10020, 10140, 10855, 11523, 11661, 13026, 15364, 15548, 17940, 19205, 19435, 21710, 23046, 23322, 26052, 28223, 32565, 38410, 38870, 43420, 46092, 46644, 49933, 56446, 57615, 58305, 65130, 76820, 77740, 84669, 99866, 112892, 115230, 116610, 130260, 141115, 149799, 169338, 199732, 230460, 233220, 249665, 282230, 299598, 338676, 423345, 499330, 564460, 599196, 649129, 748995, 846690, 998660, 1298258, 1497990, 1693380, 1947387, 2596516, 2995980, 3245645, 3894774, 6491290, 7789548, 9736935, 12982580, 19473870, 38947740]

約数ペア:

[(1, 38947740), (2, 19473870), (3, 12982580), (4, 9736935), (5, 7789548), (6, 6491290), (10, 3894774), (12, 3245645), (13, 2995980), (15, 2596516), (20, 1947387), (23, 1693380), (26, 1497990), (30, 1298258), (39, 998660), (46, 846690), (52, 748995), (60, 649129), (65, 599196), (69, 564460), (78, 499330), (92, 423345), (115, 338676), (130, 299598), (138, 282230), (156, 249665), (167, 233220), (169, 230460), (195, 199732), (230, 169338), (260, 149799), (276, 141115), (299, 130260), (334, 116610), (338, 115230), (345, 112892), (390, 99866), (460, 84669), (501, 77740), (507, 76820), (598, 65130), (668, 58305), (676, 57615), (690, 56446), (780, 49933), (835, 46644), (845, 46092), (897, 43420), (1002, 38870), (1014, 38410), (1196, 32565), (1380, 28223), (1495, 26052), (1670, 23322), (1690, 23046), (1794, 21710), (2004, 19435), (2028, 19205), (2171, 17940), (2505, 15548), (2535, 15364), (2990, 13026), (3340, 11661), (3380, 11523), (3588, 10855), (3841, 10140), (3887, 10020), (4342, 8970), (4485, 8684), (5010, 7774), (5070, 7682), (5980, 6513)]