77868700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 213875200

約数和(自身を除く): 136006500

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 43, 50, 52, 65, 70, 86, 91, 100, 130, 140, 172, 175, 182, 199, 215, 260, 301, 325, 350, 364, 398, 430, 455, 559, 602, 650, 700, 796, 860, 910, 995, 1075, 1118, 1204, 1300, 1393, 1505, 1820, 1990, 2150, 2236, 2275, 2587, 2786, 2795, 3010, 3913, 3980, 4300, 4550, 4975, 5174, 5572, 5590, 6020, 6965, 7525, 7826, 8557, 9100, 9950, 10348, 11180, 12935, 13930, 13975, 15050, 15652, 17114, 18109, 19565, 19900, 25870, 27860, 27950, 30100, 34228, 34825, 36218, 39130, 42785, 51740, 55900, 59899, 64675, 69650, 72436, 78260, 85570, 90545, 97825, 111241, 119798, 129350, 139300, 171140, 181090, 195650, 213925, 222482, 239596, 258700, 299495, 362180, 391300, 427850, 444964, 452725, 556205, 598990, 778687, 855700, 905450, 1112410, 1197980, 1497475, 1557374, 1810900, 2224820, 2781025, 2994950, 3114748, 3893435, 5562050, 5989900, 7786870, 11124100, 15573740, 19467175, 38934350, 77868700]

約数ペア:

[(1, 77868700), (2, 38934350), (4, 19467175), (5, 15573740), (7, 11124100), (10, 7786870), (13, 5989900), (14, 5562050), (20, 3893435), (25, 3114748), (26, 2994950), (28, 2781025), (35, 2224820), (43, 1810900), (50, 1557374), (52, 1497475), (65, 1197980), (70, 1112410), (86, 905450), (91, 855700), (100, 778687), (130, 598990), (140, 556205), (172, 452725), (175, 444964), (182, 427850), (199, 391300), (215, 362180), (260, 299495), (301, 258700), (325, 239596), (350, 222482), (364, 213925), (398, 195650), (430, 181090), (455, 171140), (559, 139300), (602, 129350), (650, 119798), (700, 111241), (796, 97825), (860, 90545), (910, 85570), (995, 78260), (1075, 72436), (1118, 69650), (1204, 64675), (1300, 59899), (1393, 55900), (1505, 51740), (1820, 42785), (1990, 39130), (2150, 36218), (2236, 34825), (2275, 34228), (2587, 30100), (2786, 27950), (2795, 27860), (3010, 25870), (3913, 19900), (3980, 19565), (4300, 18109), (4550, 17114), (4975, 15652), (5174, 15050), (5572, 13975), (5590, 13930), (6020, 12935), (6965, 11180), (7525, 10348), (7826, 9950), (8557, 9100)]