7856420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 20151936

約数和(自身を除く): 12295516

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 41, 44, 52, 55, 65, 67, 82, 110, 130, 134, 143, 164, 205, 220, 260, 268, 286, 335, 410, 451, 533, 572, 670, 715, 737, 820, 871, 902, 1066, 1340, 1430, 1474, 1742, 1804, 2132, 2255, 2665, 2747, 2860, 2948, 3484, 3685, 4355, 4510, 5330, 5494, 5863, 7370, 8710, 9020, 9581, 10660, 10988, 11726, 13735, 14740, 17420, 19162, 23452, 27470, 29315, 30217, 35711, 38324, 47905, 54940, 58630, 60434, 71422, 95810, 117260, 120868, 142844, 151085, 178555, 191620, 302170, 357110, 392821, 604340, 714220, 785642, 1571284, 1964105, 3928210, 7856420]

約数ペア:

[(1, 7856420), (2, 3928210), (4, 1964105), (5, 1571284), (10, 785642), (11, 714220), (13, 604340), (20, 392821), (22, 357110), (26, 302170), (41, 191620), (44, 178555), (52, 151085), (55, 142844), (65, 120868), (67, 117260), (82, 95810), (110, 71422), (130, 60434), (134, 58630), (143, 54940), (164, 47905), (205, 38324), (220, 35711), (260, 30217), (268, 29315), (286, 27470), (335, 23452), (410, 19162), (451, 17420), (533, 14740), (572, 13735), (670, 11726), (715, 10988), (737, 10660), (820, 9581), (871, 9020), (902, 8710), (1066, 7370), (1340, 5863), (1430, 5494), (1474, 5330), (1742, 4510), (1804, 4355), (2132, 3685), (2255, 3484), (2665, 2948), (2747, 2860)]