78777790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 180986400

約数和(自身を除く): 102208610

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 83, 91, 98, 130, 149, 166, 182, 245, 298, 415, 455, 490, 581, 637, 745, 830, 910, 1043, 1079, 1162, 1274, 1490, 1937, 2086, 2158, 2905, 3185, 3874, 4067, 5215, 5395, 5810, 6370, 7301, 7553, 8134, 9685, 10430, 10790, 12367, 13559, 14602, 15106, 19370, 20335, 24734, 27118, 36505, 37765, 40670, 52871, 61835, 67795, 73010, 75530, 86569, 94913, 105742, 123670, 135590, 160771, 173138, 189826, 264355, 321542, 432845, 474565, 528710, 605983, 803855, 865690, 949130, 1125397, 1211966, 1607710, 2250794, 3029915, 5626985, 6059830, 7877779, 11253970, 15755558, 39388895, 78777790]

約数ペア:

[(1, 78777790), (2, 39388895), (5, 15755558), (7, 11253970), (10, 7877779), (13, 6059830), (14, 5626985), (26, 3029915), (35, 2250794), (49, 1607710), (65, 1211966), (70, 1125397), (83, 949130), (91, 865690), (98, 803855), (130, 605983), (149, 528710), (166, 474565), (182, 432845), (245, 321542), (298, 264355), (415, 189826), (455, 173138), (490, 160771), (581, 135590), (637, 123670), (745, 105742), (830, 94913), (910, 86569), (1043, 75530), (1079, 73010), (1162, 67795), (1274, 61835), (1490, 52871), (1937, 40670), (2086, 37765), (2158, 36505), (2905, 27118), (3185, 24734), (3874, 20335), (4067, 19370), (5215, 15106), (5395, 14602), (5810, 13559), (6370, 12367), (7301, 10790), (7553, 10430), (8134, 9685)]