2019351320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{619}}^1$

素因数の和:889

約数の個数: 128

約数和(自身を含む): 5313945600

約数和(自身を除く): 3294594280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 191, 244, 280, 305, 382, 427, 488, 610, 619, 764, 854, 955, 1220, 1238, 1337, 1528, 1708, 1910, 2135, 2440, 2476, 2674, 3095, 3416, 3820, 4270, 4333, 4952, 5348, 6190, 6685, 7640, 8540, 8666, 10696, 11651, 12380, 13370, 17080, 17332, 21665, 23302, 24760, 26740, 34664, 37759, 43330, 46604, 53480, 58255, 75518, 81557, 86660, 93208, 116510, 118229, 151036, 163114, 173320, 188795, 233020, 236458, 264313, 302072, 326228, 377590, 407785, 466040, 472916, 528626, 591145, 652456, 755180, 815570, 827603, 945832, 1057252, 1182290, 1321565, 1510360, 1631140, 1655206, 2114504, 2364580, 2643130, 3262280, 3310412, 4138015, 4729160, 5286260, 6620824, 7211969, 8276030, 10572520, 14423938, 16552060, 28847876, 33104120, 36059845, 50483783, 57695752, 72119690, 100967566, 144239380, 201935132, 252418915, 288478760, 403870264, 504837830, 1009675660, 2019351320]

約数ペア:

[(1, 2019351320), (2, 1009675660), (4, 504837830), (5, 403870264), (7, 288478760), (8, 252418915), (10, 201935132), (14, 144239380), (20, 100967566), (28, 72119690), (35, 57695752), (40, 50483783), (56, 36059845), (61, 33104120), (70, 28847876), (122, 16552060), (140, 14423938), (191, 10572520), (244, 8276030), (280, 7211969), (305, 6620824), (382, 5286260), (427, 4729160), (488, 4138015), (610, 3310412), (619, 3262280), (764, 2643130), (854, 2364580), (955, 2114504), (1220, 1655206), (1238, 1631140), (1337, 1510360), (1528, 1321565), (1708, 1182290), (1910, 1057252), (2135, 945832), (2440, 827603), (2476, 815570), (2674, 755180), (3095, 652456), (3416, 591145), (3820, 528626), (4270, 472916), (4333, 466040), (4952, 407785), (5348, 377590), (6190, 326228), (6685, 302072), (7640, 264313), (8540, 236458), (8666, 233020), (10696, 188795), (11651, 173320), (12380, 163114), (13370, 151036), (17080, 118229), (17332, 116510), (21665, 93208), (23302, 86660), (24760, 81557), (26740, 75518), (34664, 58255), (37759, 53480), (43330, 46604)]