199705870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:434

約数の個数: 96

約数和(自身を含む): 456085728

約数和(自身を除く): 256379858

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 107, 130, 182, 214, 245, 293, 455, 490, 535, 586, 637, 749, 910, 1070, 1274, 1391, 1465, 1498, 2051, 2782, 2930, 3185, 3745, 3809, 4102, 5243, 6370, 6955, 7490, 7618, 9737, 10255, 10486, 13910, 14357, 19045, 19474, 20510, 26215, 26663, 28714, 31351, 38090, 48685, 52430, 53326, 62702, 68159, 71785, 97370, 133315, 136318, 143570, 156755, 186641, 219457, 266630, 313510, 340795, 373282, 407563, 438914, 681590, 815126, 933205, 1097285, 1536199, 1866410, 2037815, 2194570, 2852941, 3072398, 4075630, 5705882, 7680995, 14264705, 15361990, 19970587, 28529410, 39941174, 99852935, 199705870]

約数ペア:

[(1, 199705870), (2, 99852935), (5, 39941174), (7, 28529410), (10, 19970587), (13, 15361990), (14, 14264705), (26, 7680995), (35, 5705882), (49, 4075630), (65, 3072398), (70, 2852941), (91, 2194570), (98, 2037815), (107, 1866410), (130, 1536199), (182, 1097285), (214, 933205), (245, 815126), (293, 681590), (455, 438914), (490, 407563), (535, 373282), (586, 340795), (637, 313510), (749, 266630), (910, 219457), (1070, 186641), (1274, 156755), (1391, 143570), (1465, 136318), (1498, 133315), (2051, 97370), (2782, 71785), (2930, 68159), (3185, 62702), (3745, 53326), (3809, 52430), (4102, 48685), (5243, 38090), (6370, 31351), (6955, 28714), (7490, 26663), (7618, 26215), (9737, 20510), (10255, 19474), (10486, 19045), (13910, 14357)]