201722360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:301

約数の個数: 128

約数和(自身を含む): 537062400

約数和(自身を除く): 335340040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 73, 139, 140, 142, 146, 278, 280, 284, 292, 355, 365, 497, 511, 556, 568, 584, 695, 710, 730, 973, 994, 1022, 1112, 1390, 1420, 1460, 1946, 1988, 2044, 2485, 2555, 2780, 2840, 2920, 3892, 3976, 4088, 4865, 4970, 5110, 5183, 5560, 7784, 9730, 9869, 9940, 10147, 10220, 10366, 19460, 19738, 19880, 20294, 20440, 20732, 25915, 36281, 38920, 39476, 40588, 41464, 49345, 50735, 51830, 69083, 71029, 72562, 78952, 81176, 98690, 101470, 103660, 138166, 142058, 145124, 181405, 197380, 202940, 207320, 276332, 284116, 290248, 345415, 355145, 362810, 394760, 405880, 552664, 568232, 690830, 710290, 720437, 725620, 1381660, 1420580, 1440874, 1451240, 2763320, 2841160, 2881748, 3602185, 5043059, 5763496, 7204370, 10086118, 14408740, 20172236, 25215295, 28817480, 40344472, 50430590, 100861180, 201722360]

約数ペア:

[(1, 201722360), (2, 100861180), (4, 50430590), (5, 40344472), (7, 28817480), (8, 25215295), (10, 20172236), (14, 14408740), (20, 10086118), (28, 7204370), (35, 5763496), (40, 5043059), (56, 3602185), (70, 2881748), (71, 2841160), (73, 2763320), (139, 1451240), (140, 1440874), (142, 1420580), (146, 1381660), (278, 725620), (280, 720437), (284, 710290), (292, 690830), (355, 568232), (365, 552664), (497, 405880), (511, 394760), (556, 362810), (568, 355145), (584, 345415), (695, 290248), (710, 284116), (730, 276332), (973, 207320), (994, 202940), (1022, 197380), (1112, 181405), (1390, 145124), (1420, 142058), (1460, 138166), (1946, 103660), (1988, 101470), (2044, 98690), (2485, 81176), (2555, 78952), (2780, 72562), (2840, 71029), (2920, 69083), (3892, 51830), (3976, 50735), (4088, 49345), (4865, 41464), (4970, 40588), (5110, 39476), (5183, 38920), (5560, 36281), (7784, 25915), (9730, 20732), (9869, 20440), (9940, 20294), (10147, 19880), (10220, 19738), (10366, 19460)]