28485990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:374

約数の個数: 96

約数和(自身を含む): 80904096

約数和(自身を除く): 52418106

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 97, 117, 130, 194, 195, 234, 251, 291, 390, 485, 502, 582, 585, 753, 873, 970, 1170, 1255, 1261, 1455, 1506, 1746, 2259, 2510, 2522, 2910, 3263, 3765, 3783, 4365, 4518, 6305, 6526, 7530, 7566, 8730, 9789, 11295, 11349, 12610, 16315, 18915, 19578, 22590, 22698, 24347, 29367, 32630, 37830, 48694, 48945, 56745, 58734, 73041, 97890, 113490, 121735, 146082, 146835, 219123, 243470, 293670, 316511, 365205, 438246, 633022, 730410, 949533, 1095615, 1582555, 1899066, 2191230, 2848599, 3165110, 4747665, 5697198, 9495330, 14242995, 28485990]

約数ペア:

[(1, 28485990), (2, 14242995), (3, 9495330), (5, 5697198), (6, 4747665), (9, 3165110), (10, 2848599), (13, 2191230), (15, 1899066), (18, 1582555), (26, 1095615), (30, 949533), (39, 730410), (45, 633022), (65, 438246), (78, 365205), (90, 316511), (97, 293670), (117, 243470), (130, 219123), (194, 146835), (195, 146082), (234, 121735), (251, 113490), (291, 97890), (390, 73041), (485, 58734), (502, 56745), (582, 48945), (585, 48694), (753, 37830), (873, 32630), (970, 29367), (1170, 24347), (1255, 22698), (1261, 22590), (1455, 19578), (1506, 18915), (1746, 16315), (2259, 12610), (2510, 11349), (2522, 11295), (2910, 9789), (3263, 8730), (3765, 7566), (3783, 7530), (4365, 6526), (4518, 6305)]