220180940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1303}}^1$

素因数の和:1407

約数の個数: 96

約数和(自身を含む): 567834624

約数和(自身を除く): 347653684

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 71, 85, 119, 140, 142, 170, 238, 284, 340, 355, 476, 497, 595, 710, 994, 1190, 1207, 1303, 1420, 1988, 2380, 2414, 2485, 2606, 4828, 4970, 5212, 6035, 6515, 8449, 9121, 9940, 12070, 13030, 16898, 18242, 22151, 24140, 26060, 33796, 36484, 42245, 44302, 45605, 84490, 88604, 91210, 92513, 110755, 155057, 168980, 182420, 185026, 221510, 310114, 370052, 443020, 462565, 620228, 647591, 775285, 925130, 1295182, 1550570, 1572721, 1850260, 2590364, 3101140, 3145442, 3237955, 6290884, 6475910, 7863605, 11009047, 12951820, 15727210, 22018094, 31454420, 44036188, 55045235, 110090470, 220180940]

約数ペア:

[(1, 220180940), (2, 110090470), (4, 55045235), (5, 44036188), (7, 31454420), (10, 22018094), (14, 15727210), (17, 12951820), (20, 11009047), (28, 7863605), (34, 6475910), (35, 6290884), (68, 3237955), (70, 3145442), (71, 3101140), (85, 2590364), (119, 1850260), (140, 1572721), (142, 1550570), (170, 1295182), (238, 925130), (284, 775285), (340, 647591), (355, 620228), (476, 462565), (497, 443020), (595, 370052), (710, 310114), (994, 221510), (1190, 185026), (1207, 182420), (1303, 168980), (1420, 155057), (1988, 110755), (2380, 92513), (2414, 91210), (2485, 88604), (2606, 84490), (4828, 45605), (4970, 44302), (5212, 42245), (6035, 36484), (6515, 33796), (8449, 26060), (9121, 24140), (9940, 22151), (12070, 18242), (13030, 16898)]