254247930

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1709}}^1$

素因数の和:1773

約数の個数: 128

約数和(自身を含む): 738720000

約数和(自身を除く): 484472070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 29, 30, 38, 45, 54, 57, 58, 87, 90, 95, 114, 135, 145, 171, 174, 190, 261, 270, 285, 290, 342, 435, 513, 522, 551, 570, 783, 855, 870, 1026, 1102, 1305, 1566, 1653, 1709, 1710, 2565, 2610, 2755, 3306, 3418, 3915, 4959, 5127, 5130, 5510, 7830, 8265, 8545, 9918, 10254, 14877, 15381, 16530, 17090, 24795, 25635, 29754, 30762, 32471, 46143, 49561, 49590, 51270, 64942, 74385, 76905, 92286, 97413, 99122, 148683, 148770, 153810, 162355, 194826, 230715, 247805, 292239, 297366, 324710, 446049, 461430, 487065, 495610, 584478, 743415, 876717, 892098, 941659, 974130, 1338147, 1461195, 1486830, 1753434, 1883318, 2230245, 2676294, 2824977, 2922390, 4383585, 4460490, 4708295, 5649954, 6690735, 8474931, 8767170, 9416590, 13381470, 14124885, 16949862, 25424793, 28249770, 42374655, 50849586, 84749310, 127123965, 254247930]

約数ペア:

[(1, 254247930), (2, 127123965), (3, 84749310), (5, 50849586), (6, 42374655), (9, 28249770), (10, 25424793), (15, 16949862), (18, 14124885), (19, 13381470), (27, 9416590), (29, 8767170), (30, 8474931), (38, 6690735), (45, 5649954), (54, 4708295), (57, 4460490), (58, 4383585), (87, 2922390), (90, 2824977), (95, 2676294), (114, 2230245), (135, 1883318), (145, 1753434), (171, 1486830), (174, 1461195), (190, 1338147), (261, 974130), (270, 941659), (285, 892098), (290, 876717), (342, 743415), (435, 584478), (513, 495610), (522, 487065), (551, 461430), (570, 446049), (783, 324710), (855, 297366), (870, 292239), (1026, 247805), (1102, 230715), (1305, 194826), (1566, 162355), (1653, 153810), (1709, 148770), (1710, 148683), (2565, 99122), (2610, 97413), (2755, 92286), (3306, 76905), (3418, 74385), (3915, 64942), (4959, 51270), (5127, 49590), (5130, 49561), (5510, 46143), (7830, 32471), (8265, 30762), (8545, 29754), (9918, 25635), (10254, 24795), (14877, 17090), (15381, 16530)]