288947960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1$

素因数の和:397

約数の個数: 128

約数和(自身を含む): 770964480

約数和(自身を除く): 482016520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 103, 140, 172, 206, 215, 233, 280, 301, 344, 412, 430, 466, 515, 602, 721, 824, 860, 932, 1030, 1165, 1204, 1442, 1505, 1631, 1720, 1864, 2060, 2330, 2408, 2884, 3010, 3262, 3605, 4120, 4429, 4660, 5768, 6020, 6524, 7210, 8155, 8858, 9320, 10019, 12040, 13048, 14420, 16310, 17716, 20038, 22145, 23999, 28840, 31003, 32620, 35432, 40076, 44290, 47998, 50095, 62006, 65240, 70133, 80152, 88580, 95996, 100190, 119995, 124012, 140266, 155015, 167993, 177160, 191992, 200380, 239990, 248024, 280532, 310030, 335986, 350665, 400760, 479980, 561064, 620060, 671972, 701330, 839965, 959960, 1031957, 1240120, 1343944, 1402660, 1679930, 2063914, 2805320, 3359860, 4127828, 5159785, 6719720, 7223699, 8255656, 10319570, 14447398, 20639140, 28894796, 36118495, 41278280, 57789592, 72236990, 144473980, 288947960]

約数ペア:

[(1, 288947960), (2, 144473980), (4, 72236990), (5, 57789592), (7, 41278280), (8, 36118495), (10, 28894796), (14, 20639140), (20, 14447398), (28, 10319570), (35, 8255656), (40, 7223699), (43, 6719720), (56, 5159785), (70, 4127828), (86, 3359860), (103, 2805320), (140, 2063914), (172, 1679930), (206, 1402660), (215, 1343944), (233, 1240120), (280, 1031957), (301, 959960), (344, 839965), (412, 701330), (430, 671972), (466, 620060), (515, 561064), (602, 479980), (721, 400760), (824, 350665), (860, 335986), (932, 310030), (1030, 280532), (1165, 248024), (1204, 239990), (1442, 200380), (1505, 191992), (1631, 177160), (1720, 167993), (1864, 155015), (2060, 140266), (2330, 124012), (2408, 119995), (2884, 100190), (3010, 95996), (3262, 88580), (3605, 80152), (4120, 70133), (4429, 65240), (4660, 62006), (5768, 50095), (6020, 47998), (6524, 44290), (7210, 40076), (8155, 35432), (8858, 32620), (9320, 31003), (10019, 28840), (12040, 23999), (13048, 22145), (14420, 20038), (16310, 17716)]