489881840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{28219}}^1$

素因数の和:28270

約数の個数: 80

約数和(自身を含む): 1343723520

約数和(自身を除く): 853841680

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, 28219, 56438, 112876, 141095, 197533, 225752, 282190, 395066, 451504, 564380, 790132, 874789, 987665, 1128760, 1580264, 1749578, 1975330, 2257520, 3160528, 3499156, 3950660, 4373945, 6123523, 6998312, 7901320, 8747890, 12247046, 13996624, 15802640, 17495780, 24494092, 30617615, 34991560, 48988184, 61235230, 69983120, 97976368, 122470460, 244940920, 489881840]

約数ペア:

[(1, 489881840), (2, 244940920), (4, 122470460), (5, 97976368), (7, 69983120), (8, 61235230), (10, 48988184), (14, 34991560), (16, 30617615), (20, 24494092), (28, 17495780), (31, 15802640), (35, 13996624), (40, 12247046), (56, 8747890), (62, 7901320), (70, 6998312), (80, 6123523), (112, 4373945), (124, 3950660), (140, 3499156), (155, 3160528), (217, 2257520), (248, 1975330), (280, 1749578), (310, 1580264), (434, 1128760), (496, 987665), (560, 874789), (620, 790132), (868, 564380), (1085, 451504), (1240, 395066), (1736, 282190), (2170, 225752), (2480, 197533), (3472, 141095), (4340, 112876), (8680, 56438), (17360, 28219)]