25224220

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{3677}}^1$

素因数の和:3707

約数の個数: 48

約数和(自身を含む): 61790400

約数和(自身を除く): 36566180

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, 3677, 6860, 7354, 14708, 18385, 25739, 36770, 51478, 73540, 102956, 128695, 180173, 257390, 360346, 514780, 720692, 900865, 1261211, 1801730, 2522422, 3603460, 5044844, 6306055, 12612110, 25224220]

約数ペア:

[(1, 25224220), (2, 12612110), (4, 6306055), (5, 5044844), (7, 3603460), (10, 2522422), (14, 1801730), (20, 1261211), (28, 900865), (35, 720692), (49, 514780), (70, 360346), (98, 257390), (140, 180173), (196, 128695), (245, 102956), (343, 73540), (490, 51478), (686, 36770), (980, 25739), (1372, 18385), (1715, 14708), (3430, 7354), (3677, 6860)]