308650640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1787}}^1$

素因数の和:1944

約数の個数: 80

約数和(自身を含む): 766236672

約数和(自身を除く): 457586032

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 127, 136, 170, 254, 272, 340, 508, 635, 680, 1016, 1270, 1360, 1787, 2032, 2159, 2540, 3574, 4318, 5080, 7148, 8636, 8935, 10160, 10795, 14296, 17272, 17870, 21590, 28592, 30379, 34544, 35740, 43180, 60758, 71480, 86360, 121516, 142960, 151895, 172720, 226949, 243032, 303790, 453898, 486064, 607580, 907796, 1134745, 1215160, 1815592, 2269490, 2430320, 3631184, 3858133, 4538980, 7716266, 9077960, 15432532, 18155920, 19290665, 30865064, 38581330, 61730128, 77162660, 154325320, 308650640]

約数ペア:

[(1, 308650640), (2, 154325320), (4, 77162660), (5, 61730128), (8, 38581330), (10, 30865064), (16, 19290665), (17, 18155920), (20, 15432532), (34, 9077960), (40, 7716266), (68, 4538980), (80, 3858133), (85, 3631184), (127, 2430320), (136, 2269490), (170, 1815592), (254, 1215160), (272, 1134745), (340, 907796), (508, 607580), (635, 486064), (680, 453898), (1016, 303790), (1270, 243032), (1360, 226949), (1787, 172720), (2032, 151895), (2159, 142960), (2540, 121516), (3574, 86360), (4318, 71480), (5080, 60758), (7148, 43180), (8636, 35740), (8935, 34544), (10160, 30379), (10795, 28592), (14296, 21590), (17272, 17870)]