490374948

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{643}}^1\times {\mathrm{1297}}^1$

素因数の和:1961

約数の個数: 72

約数和(自身を含む): 1334115552

約数和(自身を除く): 843740604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 643, 1286, 1297, 1929, 2572, 2594, 3858, 3891, 4501, 5188, 7716, 7782, 9002, 9079, 13503, 15564, 18004, 18158, 27006, 27237, 31507, 36316, 54012, 54474, 63014, 63553, 94521, 108948, 126028, 127106, 189042, 190659, 254212, 378084, 381318, 762636, 833971, 1667942, 2501913, 3335884, 5003826, 5837797, 10007652, 11675594, 17513391, 23351188, 35026782, 40864579, 70053564, 81729158, 122593737, 163458316, 245187474, 490374948]

約数ペア:

[(1, 490374948), (2, 245187474), (3, 163458316), (4, 122593737), (6, 81729158), (7, 70053564), (12, 40864579), (14, 35026782), (21, 23351188), (28, 17513391), (42, 11675594), (49, 10007652), (84, 5837797), (98, 5003826), (147, 3335884), (196, 2501913), (294, 1667942), (588, 833971), (643, 762636), (1286, 381318), (1297, 378084), (1929, 254212), (2572, 190659), (2594, 189042), (3858, 127106), (3891, 126028), (4501, 108948), (5188, 94521), (7716, 63553), (7782, 63014), (9002, 54474), (9079, 54012), (13503, 36316), (15564, 31507), (18004, 27237), (18158, 27006)]