201979540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:497

約数の個数: 96

約数和(自身を含む): 501467904

約数和(自身を除く): 299488364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 67, 70, 122, 134, 140, 244, 268, 305, 335, 353, 427, 469, 610, 670, 706, 854, 938, 1220, 1340, 1412, 1708, 1765, 1876, 2135, 2345, 2471, 3530, 4087, 4270, 4690, 4942, 7060, 8174, 8540, 9380, 9884, 12355, 16348, 20435, 21533, 23651, 24710, 28609, 40870, 43066, 47302, 49420, 57218, 81740, 86132, 94604, 107665, 114436, 118255, 143045, 150731, 165557, 215330, 236510, 286090, 301462, 331114, 430660, 473020, 572180, 602924, 662228, 753655, 827785, 1442711, 1507310, 1655570, 2885422, 3014620, 3311140, 5770844, 7213555, 10098977, 14427110, 20197954, 28854220, 40395908, 50494885, 100989770, 201979540]

約数ペア:

[(1, 201979540), (2, 100989770), (4, 50494885), (5, 40395908), (7, 28854220), (10, 20197954), (14, 14427110), (20, 10098977), (28, 7213555), (35, 5770844), (61, 3311140), (67, 3014620), (70, 2885422), (122, 1655570), (134, 1507310), (140, 1442711), (244, 827785), (268, 753655), (305, 662228), (335, 602924), (353, 572180), (427, 473020), (469, 430660), (610, 331114), (670, 301462), (706, 286090), (854, 236510), (938, 215330), (1220, 165557), (1340, 150731), (1412, 143045), (1708, 118255), (1765, 114436), (1876, 107665), (2135, 94604), (2345, 86132), (2471, 81740), (3530, 57218), (4087, 49420), (4270, 47302), (4690, 43066), (4942, 40870), (7060, 28609), (8174, 24710), (8540, 23651), (9380, 21533), (9884, 20435), (12355, 16348)]