49748120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 119556000

約数和(自身を除く): 69807880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 149, 170, 298, 340, 491, 596, 680, 745, 982, 1192, 1490, 1964, 2455, 2533, 2980, 3928, 4910, 5066, 5960, 8347, 9820, 10132, 12665, 16694, 19640, 20264, 25330, 33388, 41735, 50660, 66776, 73159, 83470, 101320, 146318, 166940, 292636, 333880, 365795, 585272, 731590, 1243703, 1463180, 2487406, 2926360, 4974812, 6218515, 9949624, 12437030, 24874060, 49748120]

約数ペア:

[(1, 49748120), (2, 24874060), (4, 12437030), (5, 9949624), (8, 6218515), (10, 4974812), (17, 2926360), (20, 2487406), (34, 1463180), (40, 1243703), (68, 731590), (85, 585272), (136, 365795), (149, 333880), (170, 292636), (298, 166940), (340, 146318), (491, 101320), (596, 83470), (680, 73159), (745, 66776), (982, 50660), (1192, 41735), (1490, 33388), (1964, 25330), (2455, 20264), (2533, 19640), (2980, 16694), (3928, 12665), (4910, 10132), (5066, 9820), (5960, 8347)]