898474780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{130973}}^1$

素因数の和:131003

約数の個数: 48

約数和(自身を含む): 2200363200

約数和(自身を除く): 1301888420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 130973, 261946, 523892, 654865, 916811, 1309730, 1833622, 2619460, 3667244, 4584055, 6417677, 9168110, 12835354, 18336220, 25670708, 32088385, 44923739, 64176770, 89847478, 128353540, 179694956, 224618695, 449237390, 898474780]

約数ペア:

[(1, 898474780), (2, 449237390), (4, 224618695), (5, 179694956), (7, 128353540), (10, 89847478), (14, 64176770), (20, 44923739), (28, 32088385), (35, 25670708), (49, 18336220), (70, 12835354), (98, 9168110), (140, 6417677), (196, 4584055), (245, 3667244), (343, 2619460), (490, 1833622), (686, 1309730), (980, 916811), (1372, 654865), (1715, 523892), (3430, 261946), (6860, 130973)]