421503488

素因数分解:

$2^9\times 7^2\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:402

約数の個数: 120

約数和(自身を含む): 1001316492

約数和(自身を除く): 579813004

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 53, 56, 64, 98, 106, 112, 128, 196, 212, 224, 256, 317, 371, 392, 424, 448, 512, 634, 742, 784, 848, 896, 1268, 1484, 1568, 1696, 1792, 2219, 2536, 2597, 2968, 3136, 3392, 3584, 4438, 5072, 5194, 5936, 6272, 6784, 8876, 10144, 10388, 11872, 12544, 13568, 15533, 16801, 17752, 20288, 20776, 23744, 25088, 27136, 31066, 33602, 35504, 40576, 41552, 47488, 62132, 67204, 71008, 81152, 83104, 94976, 117607, 124264, 134408, 142016, 162304, 166208, 189952, 235214, 248528, 268816, 284032, 332416, 470428, 497056, 537632, 568064, 664832, 823249, 940856, 994112, 1075264, 1136128, 1329664, 1646498, 1881712, 1988224, 2150528, 3292996, 3763424, 3976448, 4301056, 6585992, 7526848, 7952896, 8602112, 13171984, 15053696, 26343968, 30107392, 52687936, 60214784, 105375872, 210751744, 421503488]

約数ペア:

[(1, 421503488), (2, 210751744), (4, 105375872), (7, 60214784), (8, 52687936), (14, 30107392), (16, 26343968), (28, 15053696), (32, 13171984), (49, 8602112), (53, 7952896), (56, 7526848), (64, 6585992), (98, 4301056), (106, 3976448), (112, 3763424), (128, 3292996), (196, 2150528), (212, 1988224), (224, 1881712), (256, 1646498), (317, 1329664), (371, 1136128), (392, 1075264), (424, 994112), (448, 940856), (512, 823249), (634, 664832), (742, 568064), (784, 537632), (848, 497056), (896, 470428), (1268, 332416), (1484, 284032), (1568, 268816), (1696, 248528), (1792, 235214), (2219, 189952), (2536, 166208), (2597, 162304), (2968, 142016), (3136, 134408), (3392, 124264), (3584, 117607), (4438, 94976), (5072, 83104), (5194, 81152), (5936, 71008), (6272, 67204), (6784, 62132), (8876, 47488), (10144, 41552), (10388, 40576), (11872, 35504), (12544, 33602), (13568, 31066), (15533, 27136), (16801, 25088), (17752, 23744), (20288, 20776)]