489832784

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{461}}^1$

素因数の和:708

約数の個数: 80

約数和(自身を含む): 1113678720

約数和(自身を除く): 623845936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 179, 212, 358, 371, 424, 461, 716, 742, 848, 922, 1253, 1432, 1484, 1844, 2506, 2864, 2968, 3227, 3688, 5012, 5936, 6454, 7376, 9487, 10024, 12908, 18974, 20048, 24433, 25816, 37948, 48866, 51632, 66409, 75896, 82519, 97732, 132818, 151792, 165038, 171031, 195464, 265636, 330076, 342062, 390928, 531272, 577633, 660152, 684124, 1062544, 1155266, 1320304, 1368248, 2310532, 2736496, 4373507, 4621064, 8747014, 9242128, 17494028, 30614549, 34988056, 61229098, 69976112, 122458196, 244916392, 489832784]

約数ペア:

[(1, 489832784), (2, 244916392), (4, 122458196), (7, 69976112), (8, 61229098), (14, 34988056), (16, 30614549), (28, 17494028), (53, 9242128), (56, 8747014), (106, 4621064), (112, 4373507), (179, 2736496), (212, 2310532), (358, 1368248), (371, 1320304), (424, 1155266), (461, 1062544), (716, 684124), (742, 660152), (848, 577633), (922, 531272), (1253, 390928), (1432, 342062), (1484, 330076), (1844, 265636), (2506, 195464), (2864, 171031), (2968, 165038), (3227, 151792), (3688, 132818), (5012, 97732), (5936, 82519), (6454, 75896), (7376, 66409), (9487, 51632), (10024, 48866), (12908, 37948), (18974, 25816), (20048, 24433)]