306088900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1361}}^1$

素因数の和:1561

約数の個数: 72

約数和(自身を含む): 719969544

約数和(自身を除く): 413880644

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 173, 260, 325, 346, 650, 692, 865, 1300, 1361, 1730, 2249, 2722, 3460, 4325, 4498, 5444, 6805, 8650, 8996, 11245, 13610, 17300, 17693, 22490, 27220, 34025, 35386, 44980, 56225, 68050, 70772, 88465, 112450, 136100, 176930, 224900, 235453, 353860, 442325, 470906, 884650, 941812, 1177265, 1769300, 2354530, 3060889, 4709060, 5886325, 6121778, 11772650, 12243556, 15304445, 23545300, 30608890, 61217780, 76522225, 153044450, 306088900]

約数ペア:

[(1, 306088900), (2, 153044450), (4, 76522225), (5, 61217780), (10, 30608890), (13, 23545300), (20, 15304445), (25, 12243556), (26, 11772650), (50, 6121778), (52, 5886325), (65, 4709060), (100, 3060889), (130, 2354530), (173, 1769300), (260, 1177265), (325, 941812), (346, 884650), (650, 470906), (692, 442325), (865, 353860), (1300, 235453), (1361, 224900), (1730, 176930), (2249, 136100), (2722, 112450), (3460, 88465), (4325, 70772), (4498, 68050), (5444, 56225), (6805, 44980), (8650, 35386), (8996, 34025), (11245, 27220), (13610, 22490), (17300, 17693)]