678286910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{761}}^1$

素因数の和:906

約数の個数: 96

約数和(自身を含む): 1519842528

約数和(自身を除く): 841555618

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 107, 119, 170, 214, 238, 245, 490, 535, 595, 749, 761, 833, 1070, 1190, 1498, 1522, 1666, 1819, 3638, 3745, 3805, 4165, 5243, 5327, 7490, 7610, 8330, 9095, 10486, 10654, 12733, 12937, 18190, 25466, 25874, 26215, 26635, 37289, 52430, 53270, 63665, 64685, 74578, 81427, 89131, 90559, 127330, 129370, 162854, 178262, 181118, 186445, 372890, 407135, 445655, 452795, 569989, 633913, 814270, 891310, 905590, 1139978, 1267826, 1384259, 2768518, 2849945, 3169565, 3989923, 5699890, 6339130, 6921295, 7979846, 9689813, 13842590, 19379626, 19949615, 39899230, 48449065, 67828691, 96898130, 135657382, 339143455, 678286910]

約数ペア:

[(1, 678286910), (2, 339143455), (5, 135657382), (7, 96898130), (10, 67828691), (14, 48449065), (17, 39899230), (34, 19949615), (35, 19379626), (49, 13842590), (70, 9689813), (85, 7979846), (98, 6921295), (107, 6339130), (119, 5699890), (170, 3989923), (214, 3169565), (238, 2849945), (245, 2768518), (490, 1384259), (535, 1267826), (595, 1139978), (749, 905590), (761, 891310), (833, 814270), (1070, 633913), (1190, 569989), (1498, 452795), (1522, 445655), (1666, 407135), (1819, 372890), (3638, 186445), (3745, 181118), (3805, 178262), (4165, 162854), (5243, 129370), (5327, 127330), (7490, 90559), (7610, 89131), (8330, 81427), (9095, 74578), (10486, 64685), (10654, 63665), (12733, 53270), (12937, 52430), (18190, 37289), (25466, 26635), (25874, 26215)]