290485000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:189

約数の個数: 160

約数和(自身を含む): 757726200

約数和(自身を除く): 467241200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 41, 50, 52, 65, 82, 100, 104, 109, 125, 130, 164, 200, 205, 218, 250, 260, 325, 328, 410, 436, 500, 520, 533, 545, 625, 650, 820, 872, 1000, 1025, 1066, 1090, 1250, 1300, 1417, 1625, 1640, 2050, 2132, 2180, 2500, 2600, 2665, 2725, 2834, 3250, 4100, 4264, 4360, 4469, 5000, 5125, 5330, 5450, 5668, 6500, 7085, 8125, 8200, 8938, 10250, 10660, 10900, 11336, 13000, 13325, 13625, 14170, 16250, 17876, 20500, 21320, 21800, 22345, 25625, 26650, 27250, 28340, 32500, 35425, 35752, 41000, 44690, 51250, 53300, 54500, 56680, 58097, 65000, 66625, 68125, 70850, 89380, 102500, 106600, 109000, 111725, 116194, 133250, 136250, 141700, 177125, 178760, 205000, 223450, 232388, 266500, 272500, 283400, 290485, 333125, 354250, 446900, 464776, 533000, 545000, 558625, 580970, 666250, 708500, 885625, 893800, 1117250, 1161940, 1332500, 1417000, 1452425, 1771250, 2234500, 2323880, 2665000, 2793125, 2904850, 3542500, 4469000, 5586250, 5809700, 7085000, 7262125, 11172500, 11619400, 14524250, 22345000, 29048500, 36310625, 58097000, 72621250, 145242500, 290485000]

約数ペア:

[(1, 290485000), (2, 145242500), (4, 72621250), (5, 58097000), (8, 36310625), (10, 29048500), (13, 22345000), (20, 14524250), (25, 11619400), (26, 11172500), (40, 7262125), (41, 7085000), (50, 5809700), (52, 5586250), (65, 4469000), (82, 3542500), (100, 2904850), (104, 2793125), (109, 2665000), (125, 2323880), (130, 2234500), (164, 1771250), (200, 1452425), (205, 1417000), (218, 1332500), (250, 1161940), (260, 1117250), (325, 893800), (328, 885625), (410, 708500), (436, 666250), (500, 580970), (520, 558625), (533, 545000), (545, 533000), (625, 464776), (650, 446900), (820, 354250), (872, 333125), (1000, 290485), (1025, 283400), (1066, 272500), (1090, 266500), (1250, 232388), (1300, 223450), (1417, 205000), (1625, 178760), (1640, 177125), (2050, 141700), (2132, 136250), (2180, 133250), (2500, 116194), (2600, 111725), (2665, 109000), (2725, 106600), (2834, 102500), (3250, 89380), (4100, 70850), (4264, 68125), (4360, 66625), (4469, 65000), (5000, 58097), (5125, 56680), (5330, 54500), (5450, 53300), (5668, 51250), (6500, 44690), (7085, 41000), (8125, 35752), (8200, 35425), (8938, 32500), (10250, 28340), (10660, 27250), (10900, 26650), (11336, 25625), (13000, 22345), (13325, 21800), (13625, 21320), (14170, 20500), (16250, 17876)]