81731000750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1\times {\mathrm{1303}}^1$

素因数の和:1891

約数の個数: 128

約数和(自身を含む): 177750263808

約数和(自身を除く): 96019263058

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 73, 125, 146, 175, 250, 350, 365, 491, 511, 730, 875, 982, 1022, 1303, 1750, 1825, 2455, 2555, 2606, 3437, 3650, 4910, 5110, 6515, 6874, 9121, 9125, 12275, 12775, 13030, 17185, 18242, 18250, 24550, 25550, 32575, 34370, 35843, 45605, 61375, 63875, 65150, 71686, 85925, 91210, 95119, 122750, 127750, 162875, 171850, 179215, 190238, 228025, 250901, 325750, 358430, 429625, 456050, 475595, 501802, 639773, 665833, 859250, 896075, 951190, 1140125, 1254505, 1279546, 1331666, 1792150, 2280250, 2377975, 2509010, 3198865, 3329165, 4478411, 4480375, 4755950, 6272525, 6397730, 6658330, 8956822, 8960750, 11889875, 12545050, 15994325, 16645825, 22392055, 23779750, 31362625, 31988650, 33291650, 44784110, 46703429, 62725250, 79971625, 83229125, 93406858, 111960275, 159943250, 166458250, 223920550, 233517145, 326924003, 467034290, 559801375, 653848006, 1119602750, 1167585725, 1634620015, 2335171450, 3269240030, 5837928625, 8173100075, 11675857250, 16346200150, 40865500375, 81731000750]

約数ペア:

[(1, 81731000750), (2, 40865500375), (5, 16346200150), (7, 11675857250), (10, 8173100075), (14, 5837928625), (25, 3269240030), (35, 2335171450), (50, 1634620015), (70, 1167585725), (73, 1119602750), (125, 653848006), (146, 559801375), (175, 467034290), (250, 326924003), (350, 233517145), (365, 223920550), (491, 166458250), (511, 159943250), (730, 111960275), (875, 93406858), (982, 83229125), (1022, 79971625), (1303, 62725250), (1750, 46703429), (1825, 44784110), (2455, 33291650), (2555, 31988650), (2606, 31362625), (3437, 23779750), (3650, 22392055), (4910, 16645825), (5110, 15994325), (6515, 12545050), (6874, 11889875), (9121, 8960750), (9125, 8956822), (12275, 6658330), (12775, 6397730), (13030, 6272525), (17185, 4755950), (18242, 4480375), (18250, 4478411), (24550, 3329165), (25550, 3198865), (32575, 2509010), (34370, 2377975), (35843, 2280250), (45605, 1792150), (61375, 1331666), (63875, 1279546), (65150, 1254505), (71686, 1140125), (85925, 951190), (91210, 896075), (95119, 859250), (122750, 665833), (127750, 639773), (162875, 501802), (171850, 475595), (179215, 456050), (190238, 429625), (228025, 358430), (250901, 325750)]