202458620

素因数分解:

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

素因数の和:284

約数の個数: 144

約数和(自身を含む): 541094400

約数和(自身を除く): 338635780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 43, 52, 65, 70, 86, 91, 130, 140, 169, 172, 182, 199, 215, 260, 301, 338, 364, 398, 430, 455, 559, 602, 676, 796, 845, 860, 910, 995, 1118, 1183, 1204, 1393, 1505, 1690, 1820, 1990, 2236, 2366, 2587, 2786, 2795, 3010, 3380, 3913, 3980, 4732, 5174, 5572, 5590, 5915, 6020, 6965, 7267, 7826, 8557, 10348, 11180, 11830, 12935, 13930, 14534, 15652, 17114, 18109, 19565, 23660, 25870, 27860, 29068, 33631, 34228, 36218, 36335, 39130, 42785, 50869, 51740, 59899, 67262, 72436, 72670, 78260, 85570, 90545, 101738, 111241, 119798, 134524, 145340, 168155, 171140, 181090, 203476, 222482, 235417, 239596, 254345, 299495, 336310, 362180, 444964, 470834, 508690, 556205, 598990, 672620, 778687, 941668, 1017380, 1112410, 1177085, 1197980, 1446133, 1557374, 2224820, 2354170, 2892266, 3114748, 3893435, 4708340, 5784532, 7230665, 7786870, 10122931, 14461330, 15573740, 20245862, 28922660, 40491724, 50614655, 101229310, 202458620]

約数ペア:

[(1, 202458620), (2, 101229310), (4, 50614655), (5, 40491724), (7, 28922660), (10, 20245862), (13, 15573740), (14, 14461330), (20, 10122931), (26, 7786870), (28, 7230665), (35, 5784532), (43, 4708340), (52, 3893435), (65, 3114748), (70, 2892266), (86, 2354170), (91, 2224820), (130, 1557374), (140, 1446133), (169, 1197980), (172, 1177085), (182, 1112410), (199, 1017380), (215, 941668), (260, 778687), (301, 672620), (338, 598990), (364, 556205), (398, 508690), (430, 470834), (455, 444964), (559, 362180), (602, 336310), (676, 299495), (796, 254345), (845, 239596), (860, 235417), (910, 222482), (995, 203476), (1118, 181090), (1183, 171140), (1204, 168155), (1393, 145340), (1505, 134524), (1690, 119798), (1820, 111241), (1990, 101738), (2236, 90545), (2366, 85570), (2587, 78260), (2786, 72670), (2795, 72436), (3010, 67262), (3380, 59899), (3913, 51740), (3980, 50869), (4732, 42785), (5174, 39130), (5572, 36335), (5590, 36218), (5915, 34228), (6020, 33631), (6965, 29068), (7267, 27860), (7826, 25870), (8557, 23660), (10348, 19565), (11180, 18109), (11830, 17114), (12935, 15652), (13930, 14534)]