2017101340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{349}}^1$

素因数の和:655

約数の個数: 96

約数和(自身を含む): 4572288000

約数和(自身を除く): 2555186660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 191, 340, 349, 356, 382, 445, 698, 764, 890, 955, 1396, 1513, 1745, 1780, 1910, 3026, 3247, 3490, 3820, 5933, 6052, 6494, 6980, 7565, 11866, 12988, 15130, 16235, 16999, 23732, 29665, 30260, 31061, 32470, 33998, 59330, 62122, 64940, 66659, 67996, 84995, 118660, 124244, 133318, 155305, 169990, 266636, 288983, 310610, 333295, 339980, 528037, 577966, 621220, 666590, 1056074, 1133203, 1155932, 1333180, 1444915, 2112148, 2266406, 2640185, 2889830, 4532812, 5280370, 5666015, 5779660, 5932651, 10560740, 11332030, 11865302, 22664060, 23730604, 29663255, 59326510, 100855067, 118653020, 201710134, 403420268, 504275335, 1008550670, 2017101340]

約数ペア:

[(1, 2017101340), (2, 1008550670), (4, 504275335), (5, 403420268), (10, 201710134), (17, 118653020), (20, 100855067), (34, 59326510), (68, 29663255), (85, 23730604), (89, 22664060), (170, 11865302), (178, 11332030), (191, 10560740), (340, 5932651), (349, 5779660), (356, 5666015), (382, 5280370), (445, 4532812), (698, 2889830), (764, 2640185), (890, 2266406), (955, 2112148), (1396, 1444915), (1513, 1333180), (1745, 1155932), (1780, 1133203), (1910, 1056074), (3026, 666590), (3247, 621220), (3490, 577966), (3820, 528037), (5933, 339980), (6052, 333295), (6494, 310610), (6980, 288983), (7565, 266636), (11866, 169990), (12988, 155305), (15130, 133318), (16235, 124244), (16999, 118660), (23732, 84995), (29665, 67996), (30260, 66659), (31061, 64940), (32470, 62122), (33998, 59330)]