28859480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:193

約数の個数: 128

約数和(自身を含む): 77414400

約数和(自身を除く): 48554920

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 23, 26, 38, 40, 46, 52, 65, 76, 92, 95, 104, 115, 127, 130, 152, 184, 190, 230, 247, 254, 260, 299, 380, 437, 460, 494, 508, 520, 598, 635, 760, 874, 920, 988, 1016, 1196, 1235, 1270, 1495, 1651, 1748, 1976, 2185, 2392, 2413, 2470, 2540, 2921, 2990, 3302, 3496, 4370, 4826, 4940, 5080, 5681, 5842, 5980, 6604, 8255, 8740, 9652, 9880, 11362, 11684, 11960, 12065, 13208, 14605, 16510, 17480, 19304, 22724, 23368, 24130, 28405, 29210, 31369, 33020, 37973, 45448, 48260, 55499, 56810, 58420, 62738, 66040, 75946, 96520, 110998, 113620, 116840, 125476, 151892, 156845, 189865, 221996, 227240, 250952, 277495, 303784, 313690, 379730, 443992, 554990, 627380, 721487, 759460, 1109980, 1254760, 1442974, 1518920, 2219960, 2885948, 3607435, 5771896, 7214870, 14429740, 28859480]

約数ペア:

[(1, 28859480), (2, 14429740), (4, 7214870), (5, 5771896), (8, 3607435), (10, 2885948), (13, 2219960), (19, 1518920), (20, 1442974), (23, 1254760), (26, 1109980), (38, 759460), (40, 721487), (46, 627380), (52, 554990), (65, 443992), (76, 379730), (92, 313690), (95, 303784), (104, 277495), (115, 250952), (127, 227240), (130, 221996), (152, 189865), (184, 156845), (190, 151892), (230, 125476), (247, 116840), (254, 113620), (260, 110998), (299, 96520), (380, 75946), (437, 66040), (460, 62738), (494, 58420), (508, 56810), (520, 55499), (598, 48260), (635, 45448), (760, 37973), (874, 33020), (920, 31369), (988, 29210), (1016, 28405), (1196, 24130), (1235, 23368), (1270, 22724), (1495, 19304), (1651, 17480), (1748, 16510), (1976, 14605), (2185, 13208), (2392, 12065), (2413, 11960), (2470, 11684), (2540, 11362), (2921, 9880), (2990, 9652), (3302, 8740), (3496, 8255), (4370, 6604), (4826, 5980), (4940, 5842), (5080, 5681)]