204620780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{112429}}^1$

素因数の和:112458

約数の個数: 48

約数和(自身を含む): 528870720

約数和(自身を除く): 324249940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 112429, 224858, 449716, 562145, 787003, 1124290, 1461577, 1574006, 2248580, 2923154, 3148012, 3935015, 5846308, 7307885, 7870030, 10231039, 14615770, 15740060, 20462078, 29231540, 40924156, 51155195, 102310390, 204620780]

約数ペア:

[(1, 204620780), (2, 102310390), (4, 51155195), (5, 40924156), (7, 29231540), (10, 20462078), (13, 15740060), (14, 14615770), (20, 10231039), (26, 7870030), (28, 7307885), (35, 5846308), (52, 3935015), (65, 3148012), (70, 2923154), (91, 2248580), (130, 1574006), (140, 1461577), (182, 1124290), (260, 787003), (364, 562145), (455, 449716), (910, 224858), (1820, 112429)]