388777740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1667}}^1$

素因数の和:1728

約数の個数: 144

約数和(自身を含む): 1230743808

約数和(自身を除く): 841966068

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, 169, 195, 230, 260, 276, 299, 338, 345, 390, 460, 507, 598, 676, 690, 780, 845, 897, 1014, 1196, 1380, 1495, 1667, 1690, 1794, 2028, 2535, 2990, 3334, 3380, 3588, 3887, 4485, 5001, 5070, 5980, 6668, 7774, 8335, 8970, 10002, 10140, 11661, 15548, 16670, 17940, 19435, 20004, 21671, 23322, 25005, 33340, 38341, 38870, 43342, 46644, 50010, 58305, 65013, 76682, 77740, 86684, 100020, 108355, 115023, 116610, 130026, 153364, 191705, 216710, 230046, 233220, 260052, 281723, 325065, 383410, 433420, 460092, 498433, 563446, 575115, 650130, 766820, 845169, 996866, 1126892, 1150230, 1300260, 1408615, 1495299, 1690338, 1993732, 2300460, 2492165, 2817230, 2990598, 3380676, 4225845, 4984330, 5634460, 5981196, 6479629, 7476495, 8451690, 9968660, 12959258, 14952990, 16903380, 19438887, 25918516, 29905980, 32398145, 38877774, 64796290, 77755548, 97194435, 129592580, 194388870, 388777740]

約数ペア:

[(1, 388777740), (2, 194388870), (3, 129592580), (4, 97194435), (5, 77755548), (6, 64796290), (10, 38877774), (12, 32398145), (13, 29905980), (15, 25918516), (20, 19438887), (23, 16903380), (26, 14952990), (30, 12959258), (39, 9968660), (46, 8451690), (52, 7476495), (60, 6479629), (65, 5981196), (69, 5634460), (78, 4984330), (92, 4225845), (115, 3380676), (130, 2990598), (138, 2817230), (156, 2492165), (169, 2300460), (195, 1993732), (230, 1690338), (260, 1495299), (276, 1408615), (299, 1300260), (338, 1150230), (345, 1126892), (390, 996866), (460, 845169), (507, 766820), (598, 650130), (676, 575115), (690, 563446), (780, 498433), (845, 460092), (897, 433420), (1014, 383410), (1196, 325065), (1380, 281723), (1495, 260052), (1667, 233220), (1690, 230046), (1794, 216710), (2028, 191705), (2535, 153364), (2990, 130026), (3334, 116610), (3380, 115023), (3588, 108355), (3887, 100020), (4485, 86684), (5001, 77740), (5070, 76682), (5980, 65013), (6668, 58305), (7774, 50010), (8335, 46644), (8970, 43342), (10002, 38870), (10140, 38341), (11661, 33340), (15548, 25005), (16670, 23322), (17940, 21671), (19435, 20004)]