205118056

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 489888000

約数和(自身を除く): 284769944

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 34, 44, 52, 53, 68, 88, 104, 106, 136, 143, 187, 199, 212, 221, 286, 374, 398, 424, 442, 572, 583, 689, 748, 796, 884, 901, 1144, 1166, 1378, 1496, 1592, 1768, 1802, 2189, 2332, 2431, 2587, 2756, 3383, 3604, 4378, 4664, 4862, 5174, 5512, 6766, 7208, 7579, 8756, 9724, 9911, 10348, 10547, 11713, 13532, 15158, 17512, 19448, 19822, 20696, 21094, 23426, 27064, 28457, 30316, 37213, 39644, 42188, 43979, 46852, 56914, 60632, 74426, 79288, 84376, 87958, 93704, 113828, 116017, 128843, 137111, 148852, 175916, 179299, 227656, 232034, 257686, 274222, 297704, 351832, 358598, 464068, 483769, 515372, 548444, 717196, 928136, 967538, 1030744, 1096888, 1434392, 1508221, 1935076, 1972289, 2330887, 3016442, 3870152, 3944578, 4661774, 6032884, 7889156, 9323548, 12065768, 15778312, 18647096, 25639757, 51279514, 102559028, 205118056]

約数ペア:

[(1, 205118056), (2, 102559028), (4, 51279514), (8, 25639757), (11, 18647096), (13, 15778312), (17, 12065768), (22, 9323548), (26, 7889156), (34, 6032884), (44, 4661774), (52, 3944578), (53, 3870152), (68, 3016442), (88, 2330887), (104, 1972289), (106, 1935076), (136, 1508221), (143, 1434392), (187, 1096888), (199, 1030744), (212, 967538), (221, 928136), (286, 717196), (374, 548444), (398, 515372), (424, 483769), (442, 464068), (572, 358598), (583, 351832), (689, 297704), (748, 274222), (796, 257686), (884, 232034), (901, 227656), (1144, 179299), (1166, 175916), (1378, 148852), (1496, 137111), (1592, 128843), (1768, 116017), (1802, 113828), (2189, 93704), (2332, 87958), (2431, 84376), (2587, 79288), (2756, 74426), (3383, 60632), (3604, 56914), (4378, 46852), (4664, 43979), (4862, 42188), (5174, 39644), (5512, 37213), (6766, 30316), (7208, 28457), (7579, 27064), (8756, 23426), (9724, 21094), (9911, 20696), (10348, 19822), (10547, 19448), (11713, 17512), (13532, 15158)]