9897860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^2$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 25421760

約数和(自身を除く): 15523900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 61, 70, 76, 95, 122, 133, 140, 190, 244, 266, 305, 380, 427, 532, 610, 665, 854, 1159, 1220, 1330, 1708, 2135, 2318, 2660, 3721, 4270, 4636, 5795, 7442, 8113, 8540, 11590, 14884, 16226, 18605, 23180, 26047, 32452, 37210, 40565, 52094, 70699, 74420, 81130, 104188, 130235, 141398, 162260, 260470, 282796, 353495, 494893, 520940, 706990, 989786, 1413980, 1979572, 2474465, 4948930, 9897860]

約数ペア:

[(1, 9897860), (2, 4948930), (4, 2474465), (5, 1979572), (7, 1413980), (10, 989786), (14, 706990), (19, 520940), (20, 494893), (28, 353495), (35, 282796), (38, 260470), (61, 162260), (70, 141398), (76, 130235), (95, 104188), (122, 81130), (133, 74420), (140, 70699), (190, 52094), (244, 40565), (266, 37210), (305, 32452), (380, 26047), (427, 23180), (532, 18605), (610, 16226), (665, 14884), (854, 11590), (1159, 8540), (1220, 8113), (1330, 7442), (1708, 5795), (2135, 4636), (2318, 4270), (2660, 3721)]