202001020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 473231808

約数和(自身を除く): 271230788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 107, 130, 137, 212, 214, 260, 265, 274, 428, 530, 535, 548, 685, 689, 1060, 1070, 1370, 1378, 1391, 1781, 2140, 2740, 2756, 2782, 3445, 3562, 5564, 5671, 6890, 6955, 7124, 7261, 8905, 11342, 13780, 13910, 14522, 14659, 17810, 22684, 27820, 28355, 29044, 29318, 35620, 36305, 56710, 58636, 72610, 73295, 73723, 94393, 113420, 145220, 146590, 147446, 188786, 190567, 293180, 294892, 368615, 377572, 381134, 471965, 737230, 762268, 776927, 943930, 952835, 1474460, 1553854, 1887860, 1905670, 3107708, 3811340, 3884635, 7769270, 10100051, 15538540, 20200102, 40400204, 50500255, 101000510, 202001020]

約数ペア:

[(1, 202001020), (2, 101000510), (4, 50500255), (5, 40400204), (10, 20200102), (13, 15538540), (20, 10100051), (26, 7769270), (52, 3884635), (53, 3811340), (65, 3107708), (106, 1905670), (107, 1887860), (130, 1553854), (137, 1474460), (212, 952835), (214, 943930), (260, 776927), (265, 762268), (274, 737230), (428, 471965), (530, 381134), (535, 377572), (548, 368615), (685, 294892), (689, 293180), (1060, 190567), (1070, 188786), (1370, 147446), (1378, 146590), (1391, 145220), (1781, 113420), (2140, 94393), (2740, 73723), (2756, 73295), (2782, 72610), (3445, 58636), (3562, 56710), (5564, 36305), (5671, 35620), (6890, 29318), (6955, 29044), (7124, 28355), (7261, 27820), (8905, 22684), (11342, 17810), (13780, 14659), (13910, 14522)]