22397900

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{653}}^1$

素因数の和:688

約数の個数: 72

約数和(自身を含む): 56767200

約数和(自身を除く): 34369300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 343, 350, 490, 653, 686, 700, 980, 1225, 1306, 1372, 1715, 2450, 2612, 3265, 3430, 4571, 4900, 6530, 6860, 8575, 9142, 13060, 16325, 17150, 18284, 22855, 31997, 32650, 34300, 45710, 63994, 65300, 91420, 114275, 127988, 159985, 223979, 228550, 319970, 447958, 457100, 639940, 799925, 895916, 1119895, 1599850, 2239790, 3199700, 4479580, 5599475, 11198950, 22397900]

約数ペア:

[(1, 22397900), (2, 11198950), (4, 5599475), (5, 4479580), (7, 3199700), (10, 2239790), (14, 1599850), (20, 1119895), (25, 895916), (28, 799925), (35, 639940), (49, 457100), (50, 447958), (70, 319970), (98, 228550), (100, 223979), (140, 159985), (175, 127988), (196, 114275), (245, 91420), (343, 65300), (350, 63994), (490, 45710), (653, 34300), (686, 32650), (700, 31997), (980, 22855), (1225, 18284), (1306, 17150), (1372, 16325), (1715, 13060), (2450, 9142), (2612, 8575), (3265, 6860), (3430, 6530), (4571, 4900)]