19408900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{233}}^1$

素因数の和:278

約数の個数: 108

約数和(自身を含む): 52098228

約数和(自身を除く): 32689328

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 49, 50, 68, 70, 85, 98, 100, 119, 140, 170, 175, 196, 233, 238, 245, 340, 350, 425, 466, 476, 490, 595, 700, 833, 850, 932, 980, 1165, 1190, 1225, 1631, 1666, 1700, 2330, 2380, 2450, 2975, 3262, 3332, 3961, 4165, 4660, 4900, 5825, 5950, 6524, 7922, 8155, 8330, 11417, 11650, 11900, 15844, 16310, 16660, 19805, 20825, 22834, 23300, 27727, 32620, 39610, 40775, 41650, 45668, 55454, 57085, 79220, 81550, 83300, 99025, 110908, 114170, 138635, 163100, 194089, 198050, 228340, 277270, 285425, 388178, 396100, 554540, 570850, 693175, 776356, 970445, 1141700, 1386350, 1940890, 2772700, 3881780, 4852225, 9704450, 19408900]

約数ペア:

[(1, 19408900), (2, 9704450), (4, 4852225), (5, 3881780), (7, 2772700), (10, 1940890), (14, 1386350), (17, 1141700), (20, 970445), (25, 776356), (28, 693175), (34, 570850), (35, 554540), (49, 396100), (50, 388178), (68, 285425), (70, 277270), (85, 228340), (98, 198050), (100, 194089), (119, 163100), (140, 138635), (170, 114170), (175, 110908), (196, 99025), (233, 83300), (238, 81550), (245, 79220), (340, 57085), (350, 55454), (425, 45668), (466, 41650), (476, 40775), (490, 39610), (595, 32620), (700, 27727), (833, 23300), (850, 22834), (932, 20825), (980, 19805), (1165, 16660), (1190, 16310), (1225, 15844), (1631, 11900), (1666, 11650), (1700, 11417), (2330, 8330), (2380, 8155), (2450, 7922), (2975, 6524), (3262, 5950), (3332, 5825), (3961, 4900), (4165, 4660)]