890496788

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{11299}}^1$

素因数の和:11400

約数の個数: 48

約数和(自身を含む): 1765512000

約数和(自身を除く): 875015212

約数列:

[1, 2, 4, 17, 19, 34, 38, 61, 68, 76, 122, 244, 323, 646, 1037, 1159, 1292, 2074, 2318, 4148, 4636, 11299, 19703, 22598, 39406, 45196, 78812, 192083, 214681, 384166, 429362, 689239, 768332, 858724, 1378478, 2756956, 3649577, 7299154, 11717063, 13095541, 14598308, 23434126, 26191082, 46868252, 52382164, 222624197, 445248394, 890496788]

約数ペア:

[(1, 890496788), (2, 445248394), (4, 222624197), (17, 52382164), (19, 46868252), (34, 26191082), (38, 23434126), (61, 14598308), (68, 13095541), (76, 11717063), (122, 7299154), (244, 3649577), (323, 2756956), (646, 1378478), (1037, 858724), (1159, 768332), (1292, 689239), (2074, 429362), (2318, 384166), (4148, 214681), (4636, 192083), (11299, 78812), (19703, 45196), (22598, 39406)]