204158080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:454

約数の個数: 128

約数和(自身を含む): 563040000

約数和(自身を除く): 358881920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 199, 224, 229, 280, 320, 398, 448, 458, 560, 640, 796, 896, 916, 995, 1120, 1145, 1393, 1592, 1603, 1832, 1990, 2240, 2290, 2786, 3184, 3206, 3664, 3980, 4480, 4580, 5572, 6368, 6412, 6965, 7328, 7960, 8015, 9160, 11144, 12736, 12824, 13930, 14656, 15920, 16030, 18320, 22288, 25472, 25648, 27860, 29312, 31840, 32060, 36640, 44576, 45571, 51296, 55720, 63680, 64120, 73280, 89152, 91142, 102592, 111440, 127360, 128240, 146560, 178304, 182284, 205184, 222880, 227855, 256480, 318997, 364568, 445760, 455710, 512960, 637994, 729136, 891520, 911420, 1025920, 1275988, 1458272, 1594985, 1822840, 2551976, 2916544, 3189970, 3645680, 5103952, 5833088, 6379940, 7291360, 10207904, 12759880, 14582720, 20415808, 25519760, 29165440, 40831616, 51039520, 102079040, 204158080]

約数ペア:

[(1, 204158080), (2, 102079040), (4, 51039520), (5, 40831616), (7, 29165440), (8, 25519760), (10, 20415808), (14, 14582720), (16, 12759880), (20, 10207904), (28, 7291360), (32, 6379940), (35, 5833088), (40, 5103952), (56, 3645680), (64, 3189970), (70, 2916544), (80, 2551976), (112, 1822840), (128, 1594985), (140, 1458272), (160, 1275988), (199, 1025920), (224, 911420), (229, 891520), (280, 729136), (320, 637994), (398, 512960), (448, 455710), (458, 445760), (560, 364568), (640, 318997), (796, 256480), (896, 227855), (916, 222880), (995, 205184), (1120, 182284), (1145, 178304), (1393, 146560), (1592, 128240), (1603, 127360), (1832, 111440), (1990, 102592), (2240, 91142), (2290, 89152), (2786, 73280), (3184, 64120), (3206, 63680), (3664, 55720), (3980, 51296), (4480, 45571), (4580, 44576), (5572, 36640), (6368, 32060), (6412, 31840), (6965, 29312), (7328, 27860), (7960, 25648), (8015, 25472), (9160, 22288), (11144, 18320), (12736, 16030), (12824, 15920), (13930, 14656)]