40457620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 104509440

約数和(自身を除く): 64051820

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 89, 119, 140, 170, 178, 191, 238, 340, 356, 382, 445, 476, 595, 623, 764, 890, 955, 1190, 1246, 1337, 1513, 1780, 1910, 2380, 2492, 2674, 3026, 3115, 3247, 3820, 5348, 6052, 6230, 6494, 6685, 7565, 10591, 12460, 12988, 13370, 15130, 16235, 16999, 21182, 22729, 26740, 30260, 32470, 33998, 42364, 45458, 52955, 64940, 67996, 84995, 90916, 105910, 113645, 118993, 169990, 211820, 227290, 237986, 288983, 339980, 454580, 475972, 577966, 594965, 1155932, 1189930, 1444915, 2022881, 2379860, 2889830, 4045762, 5779660, 8091524, 10114405, 20228810, 40457620]

約数ペア:

[(1, 40457620), (2, 20228810), (4, 10114405), (5, 8091524), (7, 5779660), (10, 4045762), (14, 2889830), (17, 2379860), (20, 2022881), (28, 1444915), (34, 1189930), (35, 1155932), (68, 594965), (70, 577966), (85, 475972), (89, 454580), (119, 339980), (140, 288983), (170, 237986), (178, 227290), (191, 211820), (238, 169990), (340, 118993), (356, 113645), (382, 105910), (445, 90916), (476, 84995), (595, 67996), (623, 64940), (764, 52955), (890, 45458), (955, 42364), (1190, 33998), (1246, 32470), (1337, 30260), (1513, 26740), (1780, 22729), (1910, 21182), (2380, 16999), (2492, 16235), (2674, 15130), (3026, 13370), (3115, 12988), (3247, 12460), (3820, 10591), (5348, 7565), (6052, 6685), (6230, 6494)]