1788971380

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{3673}}^1$

素因数の和:3774

約数の個数: 96

約数和(自身を含む): 4444070400

約数和(自身を除く): 2655099020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 343, 355, 490, 497, 686, 710, 980, 994, 1372, 1420, 1715, 1988, 2485, 3430, 3479, 3673, 4970, 6860, 6958, 7346, 9940, 13916, 14692, 17395, 18365, 24353, 25711, 34790, 36730, 48706, 51422, 69580, 73460, 97412, 102844, 121765, 128555, 179977, 243530, 257110, 260783, 359954, 487060, 514220, 521566, 719908, 899885, 1043132, 1259839, 1303915, 1799770, 1825481, 2519678, 2607830, 3599540, 3650962, 5039356, 5215660, 6299195, 7301924, 9127405, 12598390, 12778367, 18254810, 25196780, 25556734, 36509620, 51113468, 63891835, 89448569, 127783670, 178897138, 255567340, 357794276, 447242845, 894485690, 1788971380]

約数ペア:

[(1, 1788971380), (2, 894485690), (4, 447242845), (5, 357794276), (7, 255567340), (10, 178897138), (14, 127783670), (20, 89448569), (28, 63891835), (35, 51113468), (49, 36509620), (70, 25556734), (71, 25196780), (98, 18254810), (140, 12778367), (142, 12598390), (196, 9127405), (245, 7301924), (284, 6299195), (343, 5215660), (355, 5039356), (490, 3650962), (497, 3599540), (686, 2607830), (710, 2519678), (980, 1825481), (994, 1799770), (1372, 1303915), (1420, 1259839), (1715, 1043132), (1988, 899885), (2485, 719908), (3430, 521566), (3479, 514220), (3673, 487060), (4970, 359954), (6860, 260783), (6958, 257110), (7346, 243530), (9940, 179977), (13916, 128555), (14692, 121765), (17395, 102844), (18365, 97412), (24353, 73460), (25711, 69580), (34790, 51422), (36730, 48706)]