217217840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{22817}}^1$

素因数の和:22854

約数の個数: 80

約数和(自身を含む): 611157312

約数和(自身を除く): 393939472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 9520, 22817, 45634, 91268, 114085, 159719, 182536, 228170, 319438, 365072, 387889, 456340, 638876, 775778, 798595, 912680, 1277752, 1551556, 1597190, 1825360, 1939445, 2555504, 2715223, 3103112, 3194380, 3878890, 5430446, 6206224, 6388760, 7757780, 10860892, 12777520, 13576115, 15515560, 21721784, 27152230, 31031120, 43443568, 54304460, 108608920, 217217840]

約数ペア:

[(1, 217217840), (2, 108608920), (4, 54304460), (5, 43443568), (7, 31031120), (8, 27152230), (10, 21721784), (14, 15515560), (16, 13576115), (17, 12777520), (20, 10860892), (28, 7757780), (34, 6388760), (35, 6206224), (40, 5430446), (56, 3878890), (68, 3194380), (70, 3103112), (80, 2715223), (85, 2555504), (112, 1939445), (119, 1825360), (136, 1597190), (140, 1551556), (170, 1277752), (238, 912680), (272, 798595), (280, 775778), (340, 638876), (476, 456340), (560, 387889), (595, 365072), (680, 319438), (952, 228170), (1190, 182536), (1360, 159719), (1904, 114085), (2380, 91268), (4760, 45634), (9520, 22817)]