217572040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40897}}^1$

素因数の和:40934

約数の個数: 64

約数和(自身を含む): 588931200

約数和(自身を除く): 371359160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 40897, 81794, 163588, 204485, 286279, 327176, 408970, 572558, 777043, 817940, 1145116, 1431395, 1554086, 1635880, 2290232, 2862790, 3108172, 3885215, 5439301, 5725580, 6216344, 7770430, 10878602, 11451160, 15540860, 21757204, 27196505, 31081720, 43514408, 54393010, 108786020, 217572040]

約数ペア:

[(1, 217572040), (2, 108786020), (4, 54393010), (5, 43514408), (7, 31081720), (8, 27196505), (10, 21757204), (14, 15540860), (19, 11451160), (20, 10878602), (28, 7770430), (35, 6216344), (38, 5725580), (40, 5439301), (56, 3885215), (70, 3108172), (76, 2862790), (95, 2290232), (133, 1635880), (140, 1554086), (152, 1431395), (190, 1145116), (266, 817940), (280, 777043), (380, 572558), (532, 408970), (665, 327176), (760, 286279), (1064, 204485), (1330, 163588), (2660, 81794), (5320, 40897)]