198337860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{157411}}^1$

素因数の和:157433

約数の個数: 72

約数和(自身を含む): 687575616

約数和(自身を除く): 489237756

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 157411, 314822, 472233, 629644, 787055, 944466, 1101877, 1416699, 1574110, 1888932, 2203754, 2361165, 2833398, 3148220, 3305631, 4407508, 4722330, 5509385, 5666796, 6611262, 7083495, 9444660, 9916893, 11018770, 13222524, 14166990, 16528155, 19833786, 22037540, 28333980, 33056310, 39667572, 49584465, 66112620, 99168930, 198337860]

約数ペア:

[(1, 198337860), (2, 99168930), (3, 66112620), (4, 49584465), (5, 39667572), (6, 33056310), (7, 28333980), (9, 22037540), (10, 19833786), (12, 16528155), (14, 14166990), (15, 13222524), (18, 11018770), (20, 9916893), (21, 9444660), (28, 7083495), (30, 6611262), (35, 5666796), (36, 5509385), (42, 4722330), (45, 4407508), (60, 3305631), (63, 3148220), (70, 2833398), (84, 2361165), (90, 2203754), (105, 1888932), (126, 1574110), (140, 1416699), (180, 1101877), (210, 944466), (252, 787055), (315, 629644), (420, 472233), (630, 314822), (1260, 157411)]