203400320

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:470

約数の個数: 128

約数和(自身を含む): 525096000

約数和(自身を除く): 321695680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 64, 76, 80, 86, 95, 128, 152, 160, 172, 190, 215, 304, 320, 344, 380, 389, 430, 608, 640, 688, 760, 778, 817, 860, 1216, 1376, 1520, 1556, 1634, 1720, 1945, 2432, 2752, 3040, 3112, 3268, 3440, 3890, 4085, 5504, 6080, 6224, 6536, 6880, 7391, 7780, 8170, 12160, 12448, 13072, 13760, 14782, 15560, 16340, 16727, 24896, 26144, 27520, 29564, 31120, 32680, 33454, 36955, 49792, 52288, 59128, 62240, 65360, 66908, 73910, 83635, 104576, 118256, 124480, 130720, 133816, 147820, 167270, 236512, 248960, 261440, 267632, 295640, 317813, 334540, 473024, 522880, 535264, 591280, 635626, 669080, 946048, 1070528, 1182560, 1271252, 1338160, 1589065, 2141056, 2365120, 2542504, 2676320, 3178130, 4730240, 5085008, 5352640, 6356260, 10170016, 10705280, 12712520, 20340032, 25425040, 40680064, 50850080, 101700160, 203400320]

約数ペア:

[(1, 203400320), (2, 101700160), (4, 50850080), (5, 40680064), (8, 25425040), (10, 20340032), (16, 12712520), (19, 10705280), (20, 10170016), (32, 6356260), (38, 5352640), (40, 5085008), (43, 4730240), (64, 3178130), (76, 2676320), (80, 2542504), (86, 2365120), (95, 2141056), (128, 1589065), (152, 1338160), (160, 1271252), (172, 1182560), (190, 1070528), (215, 946048), (304, 669080), (320, 635626), (344, 591280), (380, 535264), (389, 522880), (430, 473024), (608, 334540), (640, 317813), (688, 295640), (760, 267632), (778, 261440), (817, 248960), (860, 236512), (1216, 167270), (1376, 147820), (1520, 133816), (1556, 130720), (1634, 124480), (1720, 118256), (1945, 104576), (2432, 83635), (2752, 73910), (3040, 66908), (3112, 65360), (3268, 62240), (3440, 59128), (3890, 52288), (4085, 49792), (5504, 36955), (6080, 33454), (6224, 32680), (6536, 31120), (6880, 29564), (7391, 27520), (7780, 26144), (8170, 24896), (12160, 16727), (12448, 16340), (13072, 15560), (13760, 14782)]