1384993820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{45589}}^1$

素因数の和:45643

約数の個数: 72

約数和(自身を含む): 3492558720

約数和(自身を除く): 2107564900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 6076, 7595, 15190, 30380, 45589, 91178, 182356, 227945, 319123, 455890, 638246, 911780, 1276492, 1413259, 1595615, 2233861, 2826518, 3191230, 4467722, 5653036, 6382460, 7066295, 8935444, 9892813, 11169305, 14132590, 19785626, 22338610, 28265180, 39571252, 44677220, 49464065, 69249691, 98928130, 138499382, 197856260, 276998764, 346248455, 692496910, 1384993820]

約数ペア:

[(1, 1384993820), (2, 692496910), (4, 346248455), (5, 276998764), (7, 197856260), (10, 138499382), (14, 98928130), (20, 69249691), (28, 49464065), (31, 44677220), (35, 39571252), (49, 28265180), (62, 22338610), (70, 19785626), (98, 14132590), (124, 11169305), (140, 9892813), (155, 8935444), (196, 7066295), (217, 6382460), (245, 5653036), (310, 4467722), (434, 3191230), (490, 2826518), (620, 2233861), (868, 1595615), (980, 1413259), (1085, 1276492), (1519, 911780), (2170, 638246), (3038, 455890), (4340, 319123), (6076, 227945), (7595, 182356), (15190, 91178), (30380, 45589)]