99217720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:273

約数の個数: 128

約数和(自身を含む): 268018560

約数和(自身を除く): 168800840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 61, 70, 74, 122, 140, 148, 157, 185, 244, 259, 280, 296, 305, 314, 370, 427, 488, 518, 610, 628, 740, 785, 854, 1036, 1099, 1220, 1256, 1295, 1480, 1570, 1708, 2072, 2135, 2198, 2257, 2440, 2590, 3140, 3416, 4270, 4396, 4514, 5180, 5495, 5809, 6280, 8540, 8792, 9028, 9577, 10360, 10990, 11285, 11618, 15799, 17080, 18056, 19154, 21980, 22570, 23236, 29045, 31598, 38308, 40663, 43960, 45140, 46472, 47885, 58090, 63196, 67039, 76616, 78995, 81326, 90280, 95770, 116180, 126392, 134078, 157990, 162652, 191540, 203315, 232360, 268156, 315980, 325304, 335195, 354349, 383080, 406630, 536312, 631960, 670390, 708698, 813260, 1340780, 1417396, 1626520, 1771745, 2480443, 2681560, 2834792, 3543490, 4960886, 7086980, 9921772, 12402215, 14173960, 19843544, 24804430, 49608860, 99217720]

約数ペア:

[(1, 99217720), (2, 49608860), (4, 24804430), (5, 19843544), (7, 14173960), (8, 12402215), (10, 9921772), (14, 7086980), (20, 4960886), (28, 3543490), (35, 2834792), (37, 2681560), (40, 2480443), (56, 1771745), (61, 1626520), (70, 1417396), (74, 1340780), (122, 813260), (140, 708698), (148, 670390), (157, 631960), (185, 536312), (244, 406630), (259, 383080), (280, 354349), (296, 335195), (305, 325304), (314, 315980), (370, 268156), (427, 232360), (488, 203315), (518, 191540), (610, 162652), (628, 157990), (740, 134078), (785, 126392), (854, 116180), (1036, 95770), (1099, 90280), (1220, 81326), (1256, 78995), (1295, 76616), (1480, 67039), (1570, 63196), (1708, 58090), (2072, 47885), (2135, 46472), (2198, 45140), (2257, 43960), (2440, 40663), (2590, 38308), (3140, 31598), (3416, 29045), (4270, 23236), (4396, 22570), (4514, 21980), (5180, 19154), (5495, 18056), (5809, 17080), (6280, 15799), (8540, 11618), (8792, 11285), (9028, 10990), (9577, 10360)]