390005330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:372

約数の個数: 128

約数和(自身を含む): 890942976

約数和(自身を除く): 500937646

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 61, 65, 85, 110, 122, 130, 143, 170, 187, 221, 263, 286, 305, 374, 442, 526, 610, 671, 715, 793, 935, 1037, 1105, 1315, 1342, 1430, 1586, 1870, 2074, 2210, 2431, 2630, 2893, 3355, 3419, 3965, 4471, 4862, 5185, 5786, 6710, 6838, 7930, 8723, 8942, 10370, 11407, 12155, 13481, 14465, 16043, 17095, 17446, 22355, 22814, 24310, 26962, 28930, 32086, 34190, 37609, 43615, 44710, 49181, 57035, 58123, 67405, 75218, 80215, 87230, 98362, 114070, 116246, 134810, 148291, 160430, 176473, 188045, 208559, 245905, 272731, 290615, 296582, 352946, 376090, 417118, 491810, 545462, 581230, 639353, 741455, 882365, 1042795, 1278706, 1363655, 1482910, 1764730, 2085590, 2294149, 2727310, 3000041, 3196765, 3545503, 4588298, 6000082, 6393530, 7091006, 11470745, 15000205, 17727515, 22941490, 30000410, 35455030, 39000533, 78001066, 195002665, 390005330]

約数ペア:

[(1, 390005330), (2, 195002665), (5, 78001066), (10, 39000533), (11, 35455030), (13, 30000410), (17, 22941490), (22, 17727515), (26, 15000205), (34, 11470745), (55, 7091006), (61, 6393530), (65, 6000082), (85, 4588298), (110, 3545503), (122, 3196765), (130, 3000041), (143, 2727310), (170, 2294149), (187, 2085590), (221, 1764730), (263, 1482910), (286, 1363655), (305, 1278706), (374, 1042795), (442, 882365), (526, 741455), (610, 639353), (671, 581230), (715, 545462), (793, 491810), (935, 417118), (1037, 376090), (1105, 352946), (1315, 296582), (1342, 290615), (1430, 272731), (1586, 245905), (1870, 208559), (2074, 188045), (2210, 176473), (2431, 160430), (2630, 148291), (2893, 134810), (3355, 116246), (3419, 114070), (3965, 98362), (4471, 87230), (4862, 80215), (5185, 75218), (5786, 67405), (6710, 58123), (6838, 57035), (7930, 49181), (8723, 44710), (8942, 43615), (10370, 37609), (11407, 34190), (12155, 32086), (13481, 28930), (14465, 26962), (16043, 24310), (17095, 22814), (17446, 22355)]