172419440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1307}}^1$

素因数の和:1434

約数の個数: 80

約数和(自身を含む): 429160032

約数和(自身を除く): 256740592

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 97, 136, 170, 194, 272, 340, 388, 485, 680, 776, 970, 1307, 1360, 1552, 1649, 1940, 2614, 3298, 3880, 5228, 6535, 6596, 7760, 8245, 10456, 13070, 13192, 16490, 20912, 22219, 26140, 26384, 32980, 44438, 52280, 65960, 88876, 104560, 111095, 126779, 131920, 177752, 222190, 253558, 355504, 444380, 507116, 633895, 888760, 1014232, 1267790, 1777520, 2028464, 2155243, 2535580, 4310486, 5071160, 8620972, 10142320, 10776215, 17241944, 21552430, 34483888, 43104860, 86209720, 172419440]

約数ペア:

[(1, 172419440), (2, 86209720), (4, 43104860), (5, 34483888), (8, 21552430), (10, 17241944), (16, 10776215), (17, 10142320), (20, 8620972), (34, 5071160), (40, 4310486), (68, 2535580), (80, 2155243), (85, 2028464), (97, 1777520), (136, 1267790), (170, 1014232), (194, 888760), (272, 633895), (340, 507116), (388, 444380), (485, 355504), (680, 253558), (776, 222190), (970, 177752), (1307, 131920), (1360, 126779), (1552, 111095), (1649, 104560), (1940, 88876), (2614, 65960), (3298, 52280), (3880, 44438), (5228, 32980), (6535, 26384), (6596, 26140), (7760, 22219), (8245, 20912), (10456, 16490), (13070, 13192)]