1398938240

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1503

約数の個数: 192

約数和(自身を含む): 4018636800

約数和(自身を除く): 2619698560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 128, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 320, 392, 434, 448, 490, 496, 560, 620, 640, 784, 868, 896, 980, 992, 1085, 1120, 1240, 1439, 1519, 1568, 1736, 1960, 1984, 2170, 2240, 2480, 2878, 3038, 3136, 3472, 3920, 3968, 4340, 4480, 4960, 5756, 6076, 6272, 6944, 7195, 7595, 7840, 8680, 9920, 10073, 11512, 12152, 13888, 14390, 15190, 15680, 17360, 19840, 20146, 23024, 24304, 27776, 28780, 30380, 31360, 34720, 40292, 44609, 46048, 48608, 50365, 57560, 60760, 69440, 70511, 80584, 89218, 92096, 97216, 100730, 115120, 121520, 138880, 141022, 161168, 178436, 184192, 194432, 201460, 223045, 230240, 243040, 282044, 312263, 322336, 352555, 356872, 402920, 446090, 460480, 486080, 564088, 624526, 644672, 705110, 713744, 805840, 892180, 920960, 972160, 1128176, 1249052, 1289344, 1410220, 1427488, 1561315, 1611680, 1784360, 2185841, 2256352, 2498104, 2820440, 2854976, 3122630, 3223360, 3568720, 4371682, 4512704, 4996208, 5640880, 5709952, 6245260, 6446720, 7137440, 8743364, 9025408, 9992416, 10929205, 11281760, 12490520, 14274880, 17486728, 19984832, 21858410, 22563520, 24981040, 28549760, 34973456, 39969664, 43716820, 45127040, 49962080, 69946912, 87433640, 99924160, 139893824, 174867280, 199848320, 279787648, 349734560, 699469120, 1398938240]

約数ペア:

[(1, 1398938240), (2, 699469120), (4, 349734560), (5, 279787648), (7, 199848320), (8, 174867280), (10, 139893824), (14, 99924160), (16, 87433640), (20, 69946912), (28, 49962080), (31, 45127040), (32, 43716820), (35, 39969664), (40, 34973456), (49, 28549760), (56, 24981040), (62, 22563520), (64, 21858410), (70, 19984832), (80, 17486728), (98, 14274880), (112, 12490520), (124, 11281760), (128, 10929205), (140, 9992416), (155, 9025408), (160, 8743364), (196, 7137440), (217, 6446720), (224, 6245260), (245, 5709952), (248, 5640880), (280, 4996208), (310, 4512704), (320, 4371682), (392, 3568720), (434, 3223360), (448, 3122630), (490, 2854976), (496, 2820440), (560, 2498104), (620, 2256352), (640, 2185841), (784, 1784360), (868, 1611680), (896, 1561315), (980, 1427488), (992, 1410220), (1085, 1289344), (1120, 1249052), (1240, 1128176), (1439, 972160), (1519, 920960), (1568, 892180), (1736, 805840), (1960, 713744), (1984, 705110), (2170, 644672), (2240, 624526), (2480, 564088), (2878, 486080), (3038, 460480), (3136, 446090), (3472, 402920), (3920, 356872), (3968, 352555), (4340, 322336), (4480, 312263), (4960, 282044), (5756, 243040), (6076, 230240), (6272, 223045), (6944, 201460), (7195, 194432), (7595, 184192), (7840, 178436), (8680, 161168), (9920, 141022), (10073, 138880), (11512, 121520), (12152, 115120), (13888, 100730), (14390, 97216), (15190, 92096), (15680, 89218), (17360, 80584), (19840, 70511), (20146, 69440), (23024, 60760), (24304, 57560), (27776, 50365), (28780, 48608), (30380, 46048), (31360, 44609), (34720, 40292)]