20228517100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{132299}}^1$

素因数の和:132463

約数の個数: 72

約数和(自身を含む): 48231288000

約数和(自身を除く): 28002770900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 139, 220, 275, 278, 550, 556, 695, 1100, 1390, 1529, 2780, 3058, 3475, 6116, 6950, 7645, 13900, 15290, 30580, 38225, 76450, 132299, 152900, 264598, 529196, 661495, 1322990, 1455289, 2645980, 2910578, 3307475, 5821156, 6614950, 7276445, 13229900, 14552890, 18389561, 29105780, 36382225, 36779122, 72764450, 73558244, 91947805, 145528900, 183895610, 202285171, 367791220, 404570342, 459739025, 809140684, 919478050, 1011425855, 1838956100, 2022851710, 4045703420, 5057129275, 10114258550, 20228517100]

約数ペア:

[(1, 20228517100), (2, 10114258550), (4, 5057129275), (5, 4045703420), (10, 2022851710), (11, 1838956100), (20, 1011425855), (22, 919478050), (25, 809140684), (44, 459739025), (50, 404570342), (55, 367791220), (100, 202285171), (110, 183895610), (139, 145528900), (220, 91947805), (275, 73558244), (278, 72764450), (550, 36779122), (556, 36382225), (695, 29105780), (1100, 18389561), (1390, 14552890), (1529, 13229900), (2780, 7276445), (3058, 6614950), (3475, 5821156), (6116, 3307475), (6950, 2910578), (7645, 2645980), (13900, 1455289), (15290, 1322990), (30580, 661495), (38225, 529196), (76450, 264598), (132299, 152900)]