13440700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:252

約数の個数: 108

約数和(自身を含む): 36711192

約数和(自身を除く): 23270492

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 65, 70, 91, 98, 100, 130, 140, 175, 182, 196, 211, 245, 260, 325, 350, 364, 422, 455, 490, 637, 650, 700, 844, 910, 980, 1055, 1225, 1274, 1300, 1477, 1820, 2110, 2275, 2450, 2548, 2743, 2954, 3185, 4220, 4550, 4900, 5275, 5486, 5908, 6370, 7385, 9100, 10339, 10550, 10972, 12740, 13715, 14770, 15925, 19201, 20678, 21100, 27430, 29540, 31850, 36925, 38402, 41356, 51695, 54860, 63700, 68575, 73850, 76804, 96005, 103390, 134407, 137150, 147700, 192010, 206780, 258475, 268814, 274300, 384020, 480025, 516950, 537628, 672035, 960050, 1033900, 1344070, 1920100, 2688140, 3360175, 6720350, 13440700]

約数ペア:

[(1, 13440700), (2, 6720350), (4, 3360175), (5, 2688140), (7, 1920100), (10, 1344070), (13, 1033900), (14, 960050), (20, 672035), (25, 537628), (26, 516950), (28, 480025), (35, 384020), (49, 274300), (50, 268814), (52, 258475), (65, 206780), (70, 192010), (91, 147700), (98, 137150), (100, 134407), (130, 103390), (140, 96005), (175, 76804), (182, 73850), (196, 68575), (211, 63700), (245, 54860), (260, 51695), (325, 41356), (350, 38402), (364, 36925), (422, 31850), (455, 29540), (490, 27430), (637, 21100), (650, 20678), (700, 19201), (844, 15925), (910, 14770), (980, 13715), (1055, 12740), (1225, 10972), (1274, 10550), (1300, 10339), (1477, 9100), (1820, 7385), (2110, 6370), (2275, 5908), (2450, 5486), (2548, 5275), (2743, 4900), (2954, 4550), (3185, 4220)]