19644100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:258

約数の個数: 108

約数和(自身を含む): 52444560

約数和(自身を除く): 32800460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 49, 50, 70, 76, 95, 98, 100, 133, 140, 175, 190, 196, 211, 245, 266, 350, 380, 422, 475, 490, 532, 665, 700, 844, 931, 950, 980, 1055, 1225, 1330, 1477, 1862, 1900, 2110, 2450, 2660, 2954, 3325, 3724, 4009, 4220, 4655, 4900, 5275, 5908, 6650, 7385, 8018, 9310, 10339, 10550, 13300, 14770, 16036, 18620, 20045, 20678, 21100, 23275, 28063, 29540, 36925, 40090, 41356, 46550, 51695, 56126, 73850, 80180, 93100, 100225, 103390, 112252, 140315, 147700, 196441, 200450, 206780, 258475, 280630, 392882, 400900, 516950, 561260, 701575, 785764, 982205, 1033900, 1403150, 1964410, 2806300, 3928820, 4911025, 9822050, 19644100]

約数ペア:

[(1, 19644100), (2, 9822050), (4, 4911025), (5, 3928820), (7, 2806300), (10, 1964410), (14, 1403150), (19, 1033900), (20, 982205), (25, 785764), (28, 701575), (35, 561260), (38, 516950), (49, 400900), (50, 392882), (70, 280630), (76, 258475), (95, 206780), (98, 200450), (100, 196441), (133, 147700), (140, 140315), (175, 112252), (190, 103390), (196, 100225), (211, 93100), (245, 80180), (266, 73850), (350, 56126), (380, 51695), (422, 46550), (475, 41356), (490, 40090), (532, 36925), (665, 29540), (700, 28063), (844, 23275), (931, 21100), (950, 20678), (980, 20045), (1055, 18620), (1225, 16036), (1330, 14770), (1477, 13300), (1862, 10550), (1900, 10339), (2110, 9310), (2450, 8018), (2660, 7385), (2954, 6650), (3325, 5908), (3724, 5275), (4009, 4900), (4220, 4655)]