42049840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{631}}^1$

素因数の和:675

約数の個数: 120

約数和(自身を含む): 120608352

約数和(自身を除く): 78558512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 170, 196, 238, 245, 272, 280, 340, 392, 476, 490, 560, 595, 631, 680, 784, 833, 952, 980, 1190, 1262, 1360, 1666, 1904, 1960, 2380, 2524, 3155, 3332, 3920, 4165, 4417, 4760, 5048, 6310, 6664, 8330, 8834, 9520, 10096, 10727, 12620, 13328, 16660, 17668, 21454, 22085, 25240, 30919, 33320, 35336, 42908, 44170, 50480, 53635, 61838, 66640, 70672, 75089, 85816, 88340, 107270, 123676, 150178, 154595, 171632, 176680, 214540, 247352, 300356, 309190, 353360, 375445, 429080, 494704, 525623, 600712, 618380, 750890, 858160, 1051246, 1201424, 1236760, 1501780, 2102492, 2473520, 2628115, 3003560, 4204984, 5256230, 6007120, 8409968, 10512460, 21024920, 42049840]

約数ペア:

[(1, 42049840), (2, 21024920), (4, 10512460), (5, 8409968), (7, 6007120), (8, 5256230), (10, 4204984), (14, 3003560), (16, 2628115), (17, 2473520), (20, 2102492), (28, 1501780), (34, 1236760), (35, 1201424), (40, 1051246), (49, 858160), (56, 750890), (68, 618380), (70, 600712), (80, 525623), (85, 494704), (98, 429080), (112, 375445), (119, 353360), (136, 309190), (140, 300356), (170, 247352), (196, 214540), (238, 176680), (245, 171632), (272, 154595), (280, 150178), (340, 123676), (392, 107270), (476, 88340), (490, 85816), (560, 75089), (595, 70672), (631, 66640), (680, 61838), (784, 53635), (833, 50480), (952, 44170), (980, 42908), (1190, 35336), (1262, 33320), (1360, 30919), (1666, 25240), (1904, 22085), (1960, 21454), (2380, 17668), (2524, 16660), (3155, 13328), (3332, 12620), (3920, 10727), (4165, 10096), (4417, 9520), (4760, 8834), (5048, 8330), (6310, 6664)]