748814920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{86269}}^1$

素因数の和:86318

約数の個数: 64

約数和(自身を含む): 1987660800

約数和(自身を除く): 1238845880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 86269, 172538, 345076, 431345, 603883, 690152, 862690, 1207766, 1725380, 2415532, 2674339, 3019415, 3450760, 4831064, 5348678, 6038830, 10697356, 12077660, 13371695, 18720373, 21394712, 24155320, 26743390, 37440746, 53486780, 74881492, 93601865, 106973560, 149762984, 187203730, 374407460, 748814920]

約数ペア:

[(1, 748814920), (2, 374407460), (4, 187203730), (5, 149762984), (7, 106973560), (8, 93601865), (10, 74881492), (14, 53486780), (20, 37440746), (28, 26743390), (31, 24155320), (35, 21394712), (40, 18720373), (56, 13371695), (62, 12077660), (70, 10697356), (124, 6038830), (140, 5348678), (155, 4831064), (217, 3450760), (248, 3019415), (280, 2674339), (310, 2415532), (434, 1725380), (620, 1207766), (868, 862690), (1085, 690152), (1240, 603883), (1736, 431345), (2170, 345076), (4340, 172538), (8680, 86269)]