28334240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{947}}^1$

素因数の和:990

約数の個数: 96

約数和(自身を含む): 77402304

約数和(自身を除く): 49068064

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 340, 352, 374, 440, 544, 680, 748, 880, 935, 947, 1360, 1496, 1760, 1870, 1894, 2720, 2992, 3740, 3788, 4735, 5984, 7480, 7576, 9470, 10417, 14960, 15152, 16099, 18940, 20834, 29920, 30304, 32198, 37880, 41668, 52085, 64396, 75760, 80495, 83336, 104170, 128792, 151520, 160990, 166672, 177089, 208340, 257584, 321980, 333344, 354178, 416680, 515168, 643960, 708356, 833360, 885445, 1287920, 1416712, 1666720, 1770890, 2575840, 2833424, 3541780, 5666848, 7083560, 14167120, 28334240]

約数ペア:

[(1, 28334240), (2, 14167120), (4, 7083560), (5, 5666848), (8, 3541780), (10, 2833424), (11, 2575840), (16, 1770890), (17, 1666720), (20, 1416712), (22, 1287920), (32, 885445), (34, 833360), (40, 708356), (44, 643960), (55, 515168), (68, 416680), (80, 354178), (85, 333344), (88, 321980), (110, 257584), (136, 208340), (160, 177089), (170, 166672), (176, 160990), (187, 151520), (220, 128792), (272, 104170), (340, 83336), (352, 80495), (374, 75760), (440, 64396), (544, 52085), (680, 41668), (748, 37880), (880, 32198), (935, 30304), (947, 29920), (1360, 20834), (1496, 18940), (1760, 16099), (1870, 15152), (1894, 14960), (2720, 10417), (2992, 9470), (3740, 7576), (3788, 7480), (4735, 5984)]