2115820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 5515776

約数和(自身を除く): 3399956

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 127, 140, 170, 196, 238, 245, 254, 340, 476, 490, 508, 595, 635, 833, 889, 980, 1190, 1270, 1666, 1778, 2159, 2380, 2540, 3332, 3556, 4165, 4318, 4445, 6223, 8330, 8636, 8890, 10795, 12446, 15113, 16660, 17780, 21590, 24892, 30226, 31115, 43180, 60452, 62230, 75565, 105791, 124460, 151130, 211582, 302260, 423164, 528955, 1057910, 2115820]

約数ペア:

[(1, 2115820), (2, 1057910), (4, 528955), (5, 423164), (7, 302260), (10, 211582), (14, 151130), (17, 124460), (20, 105791), (28, 75565), (34, 62230), (35, 60452), (49, 43180), (68, 31115), (70, 30226), (85, 24892), (98, 21590), (119, 17780), (127, 16660), (140, 15113), (170, 12446), (196, 10795), (238, 8890), (245, 8636), (254, 8330), (340, 6223), (476, 4445), (490, 4318), (508, 4165), (595, 3556), (635, 3332), (833, 2540), (889, 2380), (980, 2159), (1190, 1778), (1270, 1666)]