221371800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:414

約数の個数: 192

約数和(自身を含む): 749014560

約数和(自身を除く): 527642760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 101, 104, 120, 130, 150, 156, 195, 200, 202, 260, 281, 300, 303, 312, 325, 390, 404, 505, 520, 562, 600, 606, 650, 780, 808, 843, 975, 1010, 1124, 1212, 1300, 1313, 1405, 1515, 1560, 1686, 1950, 2020, 2248, 2424, 2525, 2600, 2626, 2810, 3030, 3372, 3653, 3900, 3939, 4040, 4215, 5050, 5252, 5620, 6060, 6565, 6744, 7025, 7306, 7575, 7800, 7878, 8430, 10100, 10504, 10959, 11240, 12120, 13130, 14050, 14612, 15150, 15756, 16860, 18265, 19695, 20200, 21075, 21918, 26260, 28100, 28381, 29224, 30300, 31512, 32825, 33720, 36530, 39390, 42150, 43836, 52520, 54795, 56200, 56762, 60600, 65650, 73060, 78780, 84300, 85143, 87672, 91325, 98475, 109590, 113524, 131300, 141905, 146120, 157560, 168600, 170286, 182650, 196950, 219180, 227048, 262600, 273975, 283810, 340572, 365300, 368953, 393900, 425715, 438360, 547950, 567620, 681144, 709525, 730600, 737906, 787800, 851430, 1095900, 1106859, 1135240, 1419050, 1475812, 1702860, 1844765, 2128575, 2191800, 2213718, 2838100, 2951624, 3405720, 3689530, 4257150, 4427436, 5534295, 5676200, 7379060, 8514300, 8854872, 9223825, 11068590, 14758120, 17028600, 18447650, 22137180, 27671475, 36895300, 44274360, 55342950, 73790600, 110685900, 221371800]

約数ペア:

[(1, 221371800), (2, 110685900), (3, 73790600), (4, 55342950), (5, 44274360), (6, 36895300), (8, 27671475), (10, 22137180), (12, 18447650), (13, 17028600), (15, 14758120), (20, 11068590), (24, 9223825), (25, 8854872), (26, 8514300), (30, 7379060), (39, 5676200), (40, 5534295), (50, 4427436), (52, 4257150), (60, 3689530), (65, 3405720), (75, 2951624), (78, 2838100), (100, 2213718), (101, 2191800), (104, 2128575), (120, 1844765), (130, 1702860), (150, 1475812), (156, 1419050), (195, 1135240), (200, 1106859), (202, 1095900), (260, 851430), (281, 787800), (300, 737906), (303, 730600), (312, 709525), (325, 681144), (390, 567620), (404, 547950), (505, 438360), (520, 425715), (562, 393900), (600, 368953), (606, 365300), (650, 340572), (780, 283810), (808, 273975), (843, 262600), (975, 227048), (1010, 219180), (1124, 196950), (1212, 182650), (1300, 170286), (1313, 168600), (1405, 157560), (1515, 146120), (1560, 141905), (1686, 131300), (1950, 113524), (2020, 109590), (2248, 98475), (2424, 91325), (2525, 87672), (2600, 85143), (2626, 84300), (2810, 78780), (3030, 73060), (3372, 65650), (3653, 60600), (3900, 56762), (3939, 56200), (4040, 54795), (4215, 52520), (5050, 43836), (5252, 42150), (5620, 39390), (6060, 36530), (6565, 33720), (6744, 32825), (7025, 31512), (7306, 30300), (7575, 29224), (7800, 28381), (7878, 28100), (8430, 26260), (10100, 21918), (10504, 21075), (10959, 20200), (11240, 19695), (12120, 18265), (13130, 16860), (14050, 15756), (14612, 15150)]