209366920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{10243}}^1$

素因数の和:10334

約数の個数: 64

約数和(自身を含む): 545800320

約数和(自身を除く): 336433400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 4088, 5110, 10220, 10243, 20440, 20486, 40972, 51215, 71701, 81944, 102430, 143402, 204860, 286804, 358505, 409720, 573608, 717010, 747739, 1434020, 1495478, 2868040, 2990956, 3738695, 5234173, 5981912, 7477390, 10468346, 14954780, 20936692, 26170865, 29909560, 41873384, 52341730, 104683460, 209366920]

約数ペア:

[(1, 209366920), (2, 104683460), (4, 52341730), (5, 41873384), (7, 29909560), (8, 26170865), (10, 20936692), (14, 14954780), (20, 10468346), (28, 7477390), (35, 5981912), (40, 5234173), (56, 3738695), (70, 2990956), (73, 2868040), (140, 1495478), (146, 1434020), (280, 747739), (292, 717010), (365, 573608), (511, 409720), (584, 358505), (730, 286804), (1022, 204860), (1460, 143402), (2044, 102430), (2555, 81944), (2920, 71701), (4088, 51215), (5110, 40972), (10220, 20486), (10243, 20440)]