328535480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2099}}^1$

素因数の和:2173

約数の個数: 128

約数和(自身を含む): 931392000

約数和(自身を除く): 602856520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 43, 52, 56, 65, 70, 86, 91, 104, 130, 140, 172, 182, 215, 260, 280, 301, 344, 364, 430, 455, 520, 559, 602, 728, 860, 910, 1118, 1204, 1505, 1720, 1820, 2099, 2236, 2408, 2795, 3010, 3640, 3913, 4198, 4472, 5590, 6020, 7826, 8396, 10495, 11180, 12040, 14693, 15652, 16792, 19565, 20990, 22360, 27287, 29386, 31304, 39130, 41980, 54574, 58772, 73465, 78260, 83960, 90257, 109148, 117544, 136435, 146930, 156520, 180514, 191009, 218296, 272870, 293860, 361028, 382018, 451285, 545740, 587720, 631799, 722056, 764036, 902570, 955045, 1091480, 1173341, 1263598, 1528072, 1805140, 1910090, 2346682, 2527196, 3158995, 3610280, 3820180, 4693364, 5054392, 5866705, 6317990, 7640360, 8213387, 9386728, 11733410, 12635980, 16426774, 23466820, 25271960, 32853548, 41066935, 46933640, 65707096, 82133870, 164267740, 328535480]

約数ペア:

[(1, 328535480), (2, 164267740), (4, 82133870), (5, 65707096), (7, 46933640), (8, 41066935), (10, 32853548), (13, 25271960), (14, 23466820), (20, 16426774), (26, 12635980), (28, 11733410), (35, 9386728), (40, 8213387), (43, 7640360), (52, 6317990), (56, 5866705), (65, 5054392), (70, 4693364), (86, 3820180), (91, 3610280), (104, 3158995), (130, 2527196), (140, 2346682), (172, 1910090), (182, 1805140), (215, 1528072), (260, 1263598), (280, 1173341), (301, 1091480), (344, 955045), (364, 902570), (430, 764036), (455, 722056), (520, 631799), (559, 587720), (602, 545740), (728, 451285), (860, 382018), (910, 361028), (1118, 293860), (1204, 272870), (1505, 218296), (1720, 191009), (1820, 180514), (2099, 156520), (2236, 146930), (2408, 136435), (2795, 117544), (3010, 109148), (3640, 90257), (3913, 83960), (4198, 78260), (4472, 73465), (5590, 58772), (6020, 54574), (7826, 41980), (8396, 39130), (10495, 31304), (11180, 29386), (12040, 27287), (14693, 22360), (15652, 20990), (16792, 19565)]