1294261780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{4451}}^1$

素因数の和:4565

約数の個数: 96

約数和(自身を含む): 3255017472

約数和(自身を除く): 1960755692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 67, 70, 124, 134, 140, 155, 217, 268, 310, 335, 434, 469, 620, 670, 868, 938, 1085, 1340, 1876, 2077, 2170, 2345, 4154, 4340, 4451, 4690, 8308, 8902, 9380, 10385, 14539, 17804, 20770, 22255, 29078, 31157, 41540, 44510, 58156, 62314, 72695, 89020, 124628, 137981, 145390, 155785, 275962, 290780, 298217, 311570, 551924, 596434, 623140, 689905, 965867, 1192868, 1379810, 1491085, 1931734, 2087519, 2759620, 2982170, 3863468, 4175038, 4829335, 5964340, 8350076, 9244727, 9658670, 10437595, 18489454, 19317340, 20875190, 36978908, 41750380, 46223635, 64713089, 92447270, 129426178, 184894540, 258852356, 323565445, 647130890, 1294261780]

約数ペア:

[(1, 1294261780), (2, 647130890), (4, 323565445), (5, 258852356), (7, 184894540), (10, 129426178), (14, 92447270), (20, 64713089), (28, 46223635), (31, 41750380), (35, 36978908), (62, 20875190), (67, 19317340), (70, 18489454), (124, 10437595), (134, 9658670), (140, 9244727), (155, 8350076), (217, 5964340), (268, 4829335), (310, 4175038), (335, 3863468), (434, 2982170), (469, 2759620), (620, 2087519), (670, 1931734), (868, 1491085), (938, 1379810), (1085, 1192868), (1340, 965867), (1876, 689905), (2077, 623140), (2170, 596434), (2345, 551924), (4154, 311570), (4340, 298217), (4451, 290780), (4690, 275962), (8308, 155785), (8902, 145390), (9380, 137981), (10385, 124628), (14539, 89020), (17804, 72695), (20770, 62314), (22255, 58156), (29078, 44510), (31157, 41540)]