2019197320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{55049}}^1$

素因数の和:55198

約数の個数: 64

約数和(自身を含む): 5231952000

約数和(自身を除く): 3212754680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1834, 2620, 3668, 4585, 5240, 7336, 9170, 18340, 36680, 55049, 110098, 220196, 275245, 385343, 440392, 550490, 770686, 1100980, 1541372, 1926715, 2201960, 3082744, 3853430, 7211419, 7706860, 14422838, 15413720, 28845676, 36057095, 50479933, 57691352, 72114190, 100959866, 144228380, 201919732, 252399665, 288456760, 403839464, 504799330, 1009598660, 2019197320]

約数ペア:

[(1, 2019197320), (2, 1009598660), (4, 504799330), (5, 403839464), (7, 288456760), (8, 252399665), (10, 201919732), (14, 144228380), (20, 100959866), (28, 72114190), (35, 57691352), (40, 50479933), (56, 36057095), (70, 28845676), (131, 15413720), (140, 14422838), (262, 7706860), (280, 7211419), (524, 3853430), (655, 3082744), (917, 2201960), (1048, 1926715), (1310, 1541372), (1834, 1100980), (2620, 770686), (3668, 550490), (4585, 440392), (5240, 385343), (7336, 275245), (9170, 220196), (18340, 110098), (36680, 55049)]