201441320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{1039}}^1$

素因数の和:1218

約数の個数: 64

約数和(自身を含む): 469497600

約数和(自身を除く): 268056280

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 131, 148, 185, 262, 296, 370, 524, 655, 740, 1039, 1048, 1310, 1480, 2078, 2620, 4156, 4847, 5195, 5240, 8312, 9694, 10390, 19388, 20780, 24235, 38443, 38776, 41560, 48470, 76886, 96940, 136109, 153772, 192215, 193880, 272218, 307544, 384430, 544436, 680545, 768860, 1088872, 1361090, 1537720, 2722180, 5036033, 5444360, 10072066, 20144132, 25180165, 40288264, 50360330, 100720660, 201441320]

約数ペア:

[(1, 201441320), (2, 100720660), (4, 50360330), (5, 40288264), (8, 25180165), (10, 20144132), (20, 10072066), (37, 5444360), (40, 5036033), (74, 2722180), (131, 1537720), (148, 1361090), (185, 1088872), (262, 768860), (296, 680545), (370, 544436), (524, 384430), (655, 307544), (740, 272218), (1039, 193880), (1048, 192215), (1310, 153772), (1480, 136109), (2078, 96940), (2620, 76886), (4156, 48470), (4847, 41560), (5195, 38776), (5240, 38443), (8312, 24235), (9694, 20780), (10390, 19388)]