204326980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71443}}^1$

素因数の和:71476

約数の個数: 48

約数和(自身を含む): 504108864

約数和(自身を除く): 299781884

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 71443, 142886, 285772, 357215, 714430, 785873, 928759, 1428860, 1571746, 1857518, 3143492, 3715036, 3929365, 4643795, 7858730, 9287590, 10216349, 15717460, 18575180, 20432698, 40865396, 51081745, 102163490, 204326980]

約数ペア:

[(1, 204326980), (2, 102163490), (4, 51081745), (5, 40865396), (10, 20432698), (11, 18575180), (13, 15717460), (20, 10216349), (22, 9287590), (26, 7858730), (44, 4643795), (52, 3929365), (55, 3715036), (65, 3143492), (110, 1857518), (130, 1571746), (143, 1428860), (220, 928759), (260, 785873), (286, 714430), (572, 357215), (715, 285772), (1430, 142886), (2860, 71443)]