78005200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2143}}^1$

素因数の和:2181

約数の個数: 120

約数和(自身を含む): 230763008

約数和(自身を除く): 152757808

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 130, 140, 175, 182, 200, 208, 260, 280, 325, 350, 364, 400, 455, 520, 560, 650, 700, 728, 910, 1040, 1300, 1400, 1456, 1820, 2143, 2275, 2600, 2800, 3640, 4286, 4550, 5200, 7280, 8572, 9100, 10715, 15001, 17144, 18200, 21430, 27859, 30002, 34288, 36400, 42860, 53575, 55718, 60004, 75005, 85720, 107150, 111436, 120008, 139295, 150010, 171440, 195013, 214300, 222872, 240016, 278590, 300020, 375025, 390026, 428600, 445744, 557180, 600040, 696475, 750050, 780052, 857200, 975065, 1114360, 1200080, 1392950, 1500100, 1560104, 1950130, 2228720, 2785900, 3000200, 3120208, 3900260, 4875325, 5571800, 6000400, 7800520, 9750650, 11143600, 15601040, 19501300, 39002600, 78005200]

約数ペア:

[(1, 78005200), (2, 39002600), (4, 19501300), (5, 15601040), (7, 11143600), (8, 9750650), (10, 7800520), (13, 6000400), (14, 5571800), (16, 4875325), (20, 3900260), (25, 3120208), (26, 3000200), (28, 2785900), (35, 2228720), (40, 1950130), (50, 1560104), (52, 1500100), (56, 1392950), (65, 1200080), (70, 1114360), (80, 975065), (91, 857200), (100, 780052), (104, 750050), (112, 696475), (130, 600040), (140, 557180), (175, 445744), (182, 428600), (200, 390026), (208, 375025), (260, 300020), (280, 278590), (325, 240016), (350, 222872), (364, 214300), (400, 195013), (455, 171440), (520, 150010), (560, 139295), (650, 120008), (700, 111436), (728, 107150), (910, 85720), (1040, 75005), (1300, 60004), (1400, 55718), (1456, 53575), (1820, 42860), (2143, 36400), (2275, 34288), (2600, 30002), (2800, 27859), (3640, 21430), (4286, 18200), (4550, 17144), (5200, 15001), (7280, 10715), (8572, 9100)]