72205700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 193737600

約数和(自身を除く): 121531900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 61, 70, 76, 89, 95, 100, 122, 133, 140, 175, 178, 190, 244, 266, 305, 350, 356, 380, 427, 445, 475, 532, 610, 623, 665, 700, 854, 890, 950, 1159, 1220, 1246, 1330, 1525, 1691, 1708, 1780, 1900, 2135, 2225, 2318, 2492, 2660, 3050, 3115, 3325, 3382, 4270, 4450, 4636, 5429, 5795, 6100, 6230, 6650, 6764, 8113, 8455, 8540, 8900, 10675, 10858, 11590, 11837, 12460, 13300, 15575, 16226, 16910, 21350, 21716, 23180, 23674, 27145, 28975, 31150, 32452, 33820, 38003, 40565, 42275, 42700, 47348, 54290, 57950, 59185, 62300, 76006, 81130, 84550, 103151, 108580, 115900, 118370, 135725, 152012, 162260, 169100, 190015, 202825, 206302, 236740, 271450, 295925, 380030, 405650, 412604, 515755, 542900, 591850, 722057, 760060, 811300, 950075, 1031510, 1183700, 1444114, 1900150, 2063020, 2578775, 2888228, 3610285, 3800300, 5157550, 7220570, 10315100, 14441140, 18051425, 36102850, 72205700]

約数ペア:

[(1, 72205700), (2, 36102850), (4, 18051425), (5, 14441140), (7, 10315100), (10, 7220570), (14, 5157550), (19, 3800300), (20, 3610285), (25, 2888228), (28, 2578775), (35, 2063020), (38, 1900150), (50, 1444114), (61, 1183700), (70, 1031510), (76, 950075), (89, 811300), (95, 760060), (100, 722057), (122, 591850), (133, 542900), (140, 515755), (175, 412604), (178, 405650), (190, 380030), (244, 295925), (266, 271450), (305, 236740), (350, 206302), (356, 202825), (380, 190015), (427, 169100), (445, 162260), (475, 152012), (532, 135725), (610, 118370), (623, 115900), (665, 108580), (700, 103151), (854, 84550), (890, 81130), (950, 76006), (1159, 62300), (1220, 59185), (1246, 57950), (1330, 54290), (1525, 47348), (1691, 42700), (1708, 42275), (1780, 40565), (1900, 38003), (2135, 33820), (2225, 32452), (2318, 31150), (2492, 28975), (2660, 27145), (3050, 23674), (3115, 23180), (3325, 21716), (3382, 21350), (4270, 16910), (4450, 16226), (4636, 15575), (5429, 13300), (5795, 12460), (6100, 11837), (6230, 11590), (6650, 10858), (6764, 10675), (8113, 8900), (8455, 8540)]