1992389840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{114769}}^1$

素因数の和:114820

約数の個数: 80

約数和(自身を含む): 5464888320

約数和(自身を除く): 3472498480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 114769, 229538, 459076, 573845, 803383, 918152, 1147690, 1606766, 1836304, 2295380, 3213532, 3557839, 4016915, 4590760, 6427064, 7115678, 8033830, 9181520, 12854128, 14231356, 16067660, 17789195, 24904873, 28462712, 32135320, 35578390, 49809746, 56925424, 64270640, 71156780, 99619492, 124524365, 142313560, 199238984, 249048730, 284627120, 398477968, 498097460, 996194920, 1992389840]

約数ペア:

[(1, 1992389840), (2, 996194920), (4, 498097460), (5, 398477968), (7, 284627120), (8, 249048730), (10, 199238984), (14, 142313560), (16, 124524365), (20, 99619492), (28, 71156780), (31, 64270640), (35, 56925424), (40, 49809746), (56, 35578390), (62, 32135320), (70, 28462712), (80, 24904873), (112, 17789195), (124, 16067660), (140, 14231356), (155, 12854128), (217, 9181520), (248, 8033830), (280, 7115678), (310, 6427064), (434, 4590760), (496, 4016915), (560, 3557839), (620, 3213532), (868, 2295380), (1085, 1836304), (1240, 1606766), (1736, 1147690), (2170, 918152), (2480, 803383), (3472, 573845), (4340, 459076), (8680, 229538), (17360, 114769)]