1989291252

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^2\times {\mathrm{149}}^1$

素因数の和:314

約数の個数: 144

約数和(自身を含む): 5338569600

約数和(自身を除く): 3349278348

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 61, 69, 78, 92, 122, 138, 149, 156, 183, 244, 276, 298, 299, 366, 447, 596, 598, 732, 793, 894, 897, 1196, 1403, 1586, 1788, 1794, 1937, 2379, 2806, 3172, 3427, 3588, 3721, 3874, 4209, 4758, 5612, 5811, 6854, 7442, 7748, 8418, 9089, 9516, 10281, 11163, 11622, 13708, 14884, 16836, 18178, 18239, 20562, 22326, 23244, 27267, 36356, 36478, 41124, 44551, 44652, 48373, 54534, 54717, 72956, 85583, 89102, 96746, 109068, 109434, 118157, 133653, 145119, 171166, 178204, 193492, 209047, 218868, 236314, 256749, 267306, 290238, 342332, 354471, 418094, 472628, 513498, 534612, 554429, 580476, 627141, 708942, 836188, 1026996, 1108858, 1112579, 1254282, 1417884, 1663287, 2217716, 2225158, 2508564, 2717611, 3326574, 3337737, 4450316, 5435222, 6653148, 6675474, 7207577, 8152833, 10870444, 12751867, 13350948, 14415154, 16305666, 21622731, 25503734, 28830308, 32611332, 38255601, 43245462, 51007468, 76511202, 86490924, 153022404, 165774271, 331548542, 497322813, 663097084, 994645626, 1989291252]

約数ペア:

[(1, 1989291252), (2, 994645626), (3, 663097084), (4, 497322813), (6, 331548542), (12, 165774271), (13, 153022404), (23, 86490924), (26, 76511202), (39, 51007468), (46, 43245462), (52, 38255601), (61, 32611332), (69, 28830308), (78, 25503734), (92, 21622731), (122, 16305666), (138, 14415154), (149, 13350948), (156, 12751867), (183, 10870444), (244, 8152833), (276, 7207577), (298, 6675474), (299, 6653148), (366, 5435222), (447, 4450316), (596, 3337737), (598, 3326574), (732, 2717611), (793, 2508564), (894, 2225158), (897, 2217716), (1196, 1663287), (1403, 1417884), (1586, 1254282), (1788, 1112579), (1794, 1108858), (1937, 1026996), (2379, 836188), (2806, 708942), (3172, 627141), (3427, 580476), (3588, 554429), (3721, 534612), (3874, 513498), (4209, 472628), (4758, 418094), (5612, 354471), (5811, 342332), (6854, 290238), (7442, 267306), (7748, 256749), (8418, 236314), (9089, 218868), (9516, 209047), (10281, 193492), (11163, 178204), (11622, 171166), (13708, 145119), (14884, 133653), (16836, 118157), (18178, 109434), (18239, 109068), (20562, 96746), (22326, 89102), (23244, 85583), (27267, 72956), (36356, 54717), (36478, 54534), (41124, 48373), (44551, 44652)]