1385226320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{4943}}^1$

素因数の和:5100

約数の個数: 80

約数和(自身を含む): 3354642432

約数和(自身を除く): 1969416112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 113, 124, 155, 226, 248, 310, 452, 496, 565, 620, 904, 1130, 1240, 1808, 2260, 2480, 3503, 4520, 4943, 7006, 9040, 9886, 14012, 17515, 19772, 24715, 28024, 35030, 39544, 49430, 56048, 70060, 79088, 98860, 140120, 153233, 197720, 280240, 306466, 395440, 558559, 612932, 766165, 1117118, 1225864, 1532330, 2234236, 2451728, 2792795, 3064660, 4468472, 5585590, 6129320, 8936944, 11171180, 12258640, 17315329, 22342360, 34630658, 44684720, 69261316, 86576645, 138522632, 173153290, 277045264, 346306580, 692613160, 1385226320]

約数ペア:

[(1, 1385226320), (2, 692613160), (4, 346306580), (5, 277045264), (8, 173153290), (10, 138522632), (16, 86576645), (20, 69261316), (31, 44684720), (40, 34630658), (62, 22342360), (80, 17315329), (113, 12258640), (124, 11171180), (155, 8936944), (226, 6129320), (248, 5585590), (310, 4468472), (452, 3064660), (496, 2792795), (565, 2451728), (620, 2234236), (904, 1532330), (1130, 1225864), (1240, 1117118), (1808, 766165), (2260, 612932), (2480, 558559), (3503, 395440), (4520, 306466), (4943, 280240), (7006, 197720), (9040, 153233), (9886, 140120), (14012, 98860), (17515, 79088), (19772, 70060), (24715, 56048), (28024, 49430), (35030, 39544)]