1398333440

素因数分解:

$2^{13}\times 5^1\times 7^1\times {\mathrm{4877}}^1$

素因数の和:4915

約数の個数: 112

約数和(自身を含む): 3835981152

約数和(自身を除く): 2437647712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1024, 1120, 1280, 1792, 2048, 2240, 2560, 3584, 4096, 4480, 4877, 5120, 7168, 8192, 8960, 9754, 10240, 14336, 17920, 19508, 20480, 24385, 28672, 34139, 35840, 39016, 40960, 48770, 57344, 68278, 71680, 78032, 97540, 136556, 143360, 156064, 170695, 195080, 273112, 286720, 312128, 341390, 390160, 546224, 624256, 682780, 780320, 1092448, 1248512, 1365560, 1560640, 2184896, 2497024, 2731120, 3121280, 4369792, 4994048, 5462240, 6242560, 8739584, 9988096, 10924480, 12485120, 17479168, 19976192, 21848960, 24970240, 34958336, 39952384, 43697920, 49940480, 69916672, 87395840, 99880960, 139833344, 174791680, 199761920, 279666688, 349583360, 699166720, 1398333440]

約数ペア:

[(1, 1398333440), (2, 699166720), (4, 349583360), (5, 279666688), (7, 199761920), (8, 174791680), (10, 139833344), (14, 99880960), (16, 87395840), (20, 69916672), (28, 49940480), (32, 43697920), (35, 39952384), (40, 34958336), (56, 24970240), (64, 21848960), (70, 19976192), (80, 17479168), (112, 12485120), (128, 10924480), (140, 9988096), (160, 8739584), (224, 6242560), (256, 5462240), (280, 4994048), (320, 4369792), (448, 3121280), (512, 2731120), (560, 2497024), (640, 2184896), (896, 1560640), (1024, 1365560), (1120, 1248512), (1280, 1092448), (1792, 780320), (2048, 682780), (2240, 624256), (2560, 546224), (3584, 390160), (4096, 341390), (4480, 312128), (4877, 286720), (5120, 273112), (7168, 195080), (8192, 170695), (8960, 156064), (9754, 143360), (10240, 136556), (14336, 97540), (17920, 78032), (19508, 71680), (20480, 68278), (24385, 57344), (28672, 48770), (34139, 40960), (35840, 39016)]