219223840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{431}}^1$

素因数の和:491

約数の個数: 144

約数和(自身を含む): 601582464

約数和(自身を除く): 382358624

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, 289, 340, 352, 374, 431, 440, 544, 578, 680, 748, 862, 880, 935, 1156, 1360, 1445, 1496, 1724, 1760, 1870, 2155, 2312, 2720, 2890, 2992, 3179, 3448, 3740, 4310, 4624, 4741, 5780, 5984, 6358, 6896, 7327, 7480, 8620, 9248, 9482, 11560, 12716, 13792, 14654, 14960, 15895, 17240, 18964, 23120, 23705, 25432, 29308, 29920, 31790, 34480, 36635, 37928, 46240, 47410, 50864, 58616, 63580, 68960, 73270, 75856, 80597, 94820, 101728, 117232, 124559, 127160, 146540, 151712, 161194, 189640, 234464, 249118, 254320, 293080, 322388, 379280, 402985, 498236, 508640, 586160, 622795, 644776, 758560, 805970, 996472, 1172320, 1245590, 1289552, 1370149, 1611940, 1992944, 2491180, 2579104, 2740298, 3223880, 3985888, 4982360, 5480596, 6447760, 6850745, 9964720, 10961192, 12895520, 13701490, 19929440, 21922384, 27402980, 43844768, 54805960, 109611920, 219223840]

約数ペア:

[(1, 219223840), (2, 109611920), (4, 54805960), (5, 43844768), (8, 27402980), (10, 21922384), (11, 19929440), (16, 13701490), (17, 12895520), (20, 10961192), (22, 9964720), (32, 6850745), (34, 6447760), (40, 5480596), (44, 4982360), (55, 3985888), (68, 3223880), (80, 2740298), (85, 2579104), (88, 2491180), (110, 1992944), (136, 1611940), (160, 1370149), (170, 1289552), (176, 1245590), (187, 1172320), (220, 996472), (272, 805970), (289, 758560), (340, 644776), (352, 622795), (374, 586160), (431, 508640), (440, 498236), (544, 402985), (578, 379280), (680, 322388), (748, 293080), (862, 254320), (880, 249118), (935, 234464), (1156, 189640), (1360, 161194), (1445, 151712), (1496, 146540), (1724, 127160), (1760, 124559), (1870, 117232), (2155, 101728), (2312, 94820), (2720, 80597), (2890, 75856), (2992, 73270), (3179, 68960), (3448, 63580), (3740, 58616), (4310, 50864), (4624, 47410), (4741, 46240), (5780, 37928), (5984, 36635), (6358, 34480), (6896, 31790), (7327, 29920), (7480, 29308), (8620, 25432), (9248, 23705), (9482, 23120), (11560, 18964), (12716, 17240), (13792, 15895), (14654, 14960)]