200704920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{128657}}^1$

素因数の和:128684

約数の個数: 64

約数和(自身を含む): 648436320

約数和(自身を除く): 447731400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 128657, 257314, 385971, 514628, 643285, 771942, 1029256, 1286570, 1543884, 1672541, 1929855, 2573140, 3087768, 3345082, 3859710, 5017623, 5146280, 6690164, 7719420, 8362705, 10035246, 13380328, 15438840, 16725410, 20070492, 25088115, 33450820, 40140984, 50176230, 66901640, 100352460, 200704920]

約数ペア:

[(1, 200704920), (2, 100352460), (3, 66901640), (4, 50176230), (5, 40140984), (6, 33450820), (8, 25088115), (10, 20070492), (12, 16725410), (13, 15438840), (15, 13380328), (20, 10035246), (24, 8362705), (26, 7719420), (30, 6690164), (39, 5146280), (40, 5017623), (52, 3859710), (60, 3345082), (65, 3087768), (78, 2573140), (104, 1929855), (120, 1672541), (130, 1543884), (156, 1286570), (195, 1029256), (260, 771942), (312, 643285), (390, 514628), (520, 385971), (780, 257314), (1560, 128657)]