212291240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1$

素因数の和:571

約数の個数: 128

約数和(自身を含む): 584962560

約数和(自身を除く): 372671320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 103, 119, 136, 140, 170, 206, 238, 280, 340, 412, 433, 476, 515, 595, 680, 721, 824, 866, 952, 1030, 1190, 1442, 1732, 1751, 2060, 2165, 2380, 2884, 3031, 3464, 3502, 3605, 4120, 4330, 4760, 5768, 6062, 7004, 7210, 7361, 8660, 8755, 12124, 12257, 14008, 14420, 14722, 15155, 17320, 17510, 24248, 24514, 28840, 29444, 30310, 35020, 36805, 44599, 49028, 51527, 58888, 60620, 61285, 70040, 73610, 89198, 98056, 103054, 121240, 122570, 147220, 178396, 206108, 222995, 245140, 257635, 294440, 312193, 356792, 412216, 445990, 490280, 515270, 624386, 758183, 891980, 1030540, 1248772, 1516366, 1560965, 1783960, 2061080, 2497544, 3032732, 3121930, 3790915, 5307281, 6065464, 6243860, 7581830, 10614562, 12487720, 15163660, 21229124, 26536405, 30327320, 42458248, 53072810, 106145620, 212291240]

約数ペア:

[(1, 212291240), (2, 106145620), (4, 53072810), (5, 42458248), (7, 30327320), (8, 26536405), (10, 21229124), (14, 15163660), (17, 12487720), (20, 10614562), (28, 7581830), (34, 6243860), (35, 6065464), (40, 5307281), (56, 3790915), (68, 3121930), (70, 3032732), (85, 2497544), (103, 2061080), (119, 1783960), (136, 1560965), (140, 1516366), (170, 1248772), (206, 1030540), (238, 891980), (280, 758183), (340, 624386), (412, 515270), (433, 490280), (476, 445990), (515, 412216), (595, 356792), (680, 312193), (721, 294440), (824, 257635), (866, 245140), (952, 222995), (1030, 206108), (1190, 178396), (1442, 147220), (1732, 122570), (1751, 121240), (2060, 103054), (2165, 98056), (2380, 89198), (2884, 73610), (3031, 70040), (3464, 61285), (3502, 60620), (3605, 58888), (4120, 51527), (4330, 49028), (4760, 44599), (5768, 36805), (6062, 35020), (7004, 30310), (7210, 29444), (7361, 28840), (8660, 24514), (8755, 24248), (12124, 17510), (12257, 17320), (14008, 15155), (14420, 14722)]