109519900

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:169

約数の個数: 144

約数和(自身を含む): 288870400

約数和(自身を除く): 179350500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 49, 50, 62, 70, 98, 100, 103, 124, 140, 155, 175, 196, 206, 217, 245, 310, 343, 350, 412, 434, 490, 515, 620, 686, 700, 721, 775, 868, 980, 1030, 1085, 1225, 1372, 1442, 1519, 1550, 1715, 2060, 2170, 2450, 2575, 2884, 3038, 3100, 3193, 3430, 3605, 4340, 4900, 5047, 5150, 5425, 6076, 6386, 6860, 7210, 7595, 8575, 10094, 10300, 10633, 10850, 12772, 14420, 15190, 15965, 17150, 18025, 20188, 21266, 21700, 22351, 25235, 30380, 31930, 34300, 35329, 36050, 37975, 42532, 44702, 50470, 53165, 63860, 70658, 72100, 75950, 79825, 89404, 100940, 106330, 111755, 126175, 141316, 151900, 156457, 159650, 176645, 212660, 223510, 252350, 265825, 312914, 319300, 353290, 447020, 504700, 531650, 558775, 625828, 706580, 782285, 883225, 1063300, 1095199, 1117550, 1564570, 1766450, 2190398, 2235100, 3129140, 3532900, 3911425, 4380796, 5475995, 7822850, 10951990, 15645700, 21903980, 27379975, 54759950, 109519900]

約数ペア:

[(1, 109519900), (2, 54759950), (4, 27379975), (5, 21903980), (7, 15645700), (10, 10951990), (14, 7822850), (20, 5475995), (25, 4380796), (28, 3911425), (31, 3532900), (35, 3129140), (49, 2235100), (50, 2190398), (62, 1766450), (70, 1564570), (98, 1117550), (100, 1095199), (103, 1063300), (124, 883225), (140, 782285), (155, 706580), (175, 625828), (196, 558775), (206, 531650), (217, 504700), (245, 447020), (310, 353290), (343, 319300), (350, 312914), (412, 265825), (434, 252350), (490, 223510), (515, 212660), (620, 176645), (686, 159650), (700, 156457), (721, 151900), (775, 141316), (868, 126175), (980, 111755), (1030, 106330), (1085, 100940), (1225, 89404), (1372, 79825), (1442, 75950), (1519, 72100), (1550, 70658), (1715, 63860), (2060, 53165), (2170, 50470), (2450, 44702), (2575, 42532), (2884, 37975), (3038, 36050), (3100, 35329), (3193, 34300), (3430, 31930), (3605, 30380), (4340, 25235), (4900, 22351), (5047, 21700), (5150, 21266), (5425, 20188), (6076, 18025), (6386, 17150), (6860, 15965), (7210, 15190), (7595, 14420), (8575, 12772), (10094, 10850), (10300, 10633)]