490917376

素因数分解:

$2^9\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:379

約数の個数: 80

約数和(自身を含む): 1016452800

約数和(自身を除く): 525535424

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 79, 106, 128, 158, 212, 229, 256, 316, 424, 458, 512, 632, 848, 916, 1264, 1696, 1832, 2528, 3392, 3664, 4187, 5056, 6784, 7328, 8374, 10112, 12137, 13568, 14656, 16748, 18091, 20224, 24274, 27136, 29312, 33496, 36182, 40448, 48548, 58624, 66992, 72364, 97096, 117248, 133984, 144728, 194192, 267968, 289456, 388384, 535936, 578912, 776768, 958823, 1071872, 1157824, 1553536, 1917646, 2143744, 2315648, 3107072, 3835292, 4631296, 6214144, 7670584, 9262592, 15341168, 30682336, 61364672, 122729344, 245458688, 490917376]

約数ペア:

[(1, 490917376), (2, 245458688), (4, 122729344), (8, 61364672), (16, 30682336), (32, 15341168), (53, 9262592), (64, 7670584), (79, 6214144), (106, 4631296), (128, 3835292), (158, 3107072), (212, 2315648), (229, 2143744), (256, 1917646), (316, 1553536), (424, 1157824), (458, 1071872), (512, 958823), (632, 776768), (848, 578912), (916, 535936), (1264, 388384), (1696, 289456), (1832, 267968), (2528, 194192), (3392, 144728), (3664, 133984), (4187, 117248), (5056, 97096), (6784, 72364), (7328, 66992), (8374, 58624), (10112, 48548), (12137, 40448), (13568, 36182), (14656, 33496), (16748, 29312), (18091, 27136), (20224, 24274)]