2019212100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{60637}}^1$

素因数の和:60694

約数の個数: 108

約数和(自身を含む): 6500272324

約数和(自身を除く): 4481060224

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 37, 45, 50, 60, 74, 75, 90, 100, 111, 148, 150, 180, 185, 222, 225, 300, 333, 370, 444, 450, 555, 666, 740, 900, 925, 1110, 1332, 1665, 1850, 2220, 2775, 3330, 3700, 5550, 6660, 8325, 11100, 16650, 33300, 60637, 121274, 181911, 242548, 303185, 363822, 545733, 606370, 727644, 909555, 1091466, 1212740, 1515925, 1819110, 2182932, 2243569, 2728665, 3031850, 3638220, 4487138, 4547775, 5457330, 6063700, 6730707, 8974276, 9095550, 10914660, 11217845, 13461414, 13643325, 18191100, 20192121, 22435690, 26922828, 27286650, 33653535, 40384242, 44871380, 54573300, 56089225, 67307070, 80768484, 100960605, 112178450, 134614140, 168267675, 201921210, 224356900, 336535350, 403842420, 504803025, 673070700, 1009606050, 2019212100]

約数ペア:

[(1, 2019212100), (2, 1009606050), (3, 673070700), (4, 504803025), (5, 403842420), (6, 336535350), (9, 224356900), (10, 201921210), (12, 168267675), (15, 134614140), (18, 112178450), (20, 100960605), (25, 80768484), (30, 67307070), (36, 56089225), (37, 54573300), (45, 44871380), (50, 40384242), (60, 33653535), (74, 27286650), (75, 26922828), (90, 22435690), (100, 20192121), (111, 18191100), (148, 13643325), (150, 13461414), (180, 11217845), (185, 10914660), (222, 9095550), (225, 8974276), (300, 6730707), (333, 6063700), (370, 5457330), (444, 4547775), (450, 4487138), (555, 3638220), (666, 3031850), (740, 2728665), (900, 2243569), (925, 2182932), (1110, 1819110), (1332, 1515925), (1665, 1212740), (1850, 1091466), (2220, 909555), (2775, 727644), (3330, 606370), (3700, 545733), (5550, 363822), (6660, 303185), (8325, 242548), (11100, 181911), (16650, 121274), (33300, 60637)]