2703820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 6894720

約数和(自身を除く): 4190900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 89, 98, 124, 140, 155, 178, 196, 217, 245, 310, 356, 434, 445, 490, 620, 623, 868, 890, 980, 1085, 1246, 1519, 1780, 2170, 2492, 2759, 3038, 3115, 4340, 4361, 5518, 6076, 6230, 7595, 8722, 11036, 12460, 13795, 15190, 17444, 19313, 21805, 27590, 30380, 38626, 43610, 55180, 77252, 87220, 96565, 135191, 193130, 270382, 386260, 540764, 675955, 1351910, 2703820]

約数ペア:

[(1, 2703820), (2, 1351910), (4, 675955), (5, 540764), (7, 386260), (10, 270382), (14, 193130), (20, 135191), (28, 96565), (31, 87220), (35, 77252), (49, 55180), (62, 43610), (70, 38626), (89, 30380), (98, 27590), (124, 21805), (140, 19313), (155, 17444), (178, 15190), (196, 13795), (217, 12460), (245, 11036), (310, 8722), (356, 7595), (434, 6230), (445, 6076), (490, 5518), (620, 4361), (623, 4340), (868, 3115), (890, 3038), (980, 2759), (1085, 2492), (1246, 2170), (1519, 1780)]