858250480

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1\times {\mathrm{443}}^1$

素因数の和:914

約数の個数: 80

約数和(自身を含む): 2037842784

約数和(自身を除く): 1179592304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 397, 443, 488, 610, 794, 886, 976, 1220, 1588, 1772, 1985, 2215, 2440, 3176, 3544, 3970, 4430, 4880, 6352, 7088, 7940, 8860, 15880, 17720, 24217, 27023, 31760, 35440, 48434, 54046, 96868, 108092, 121085, 135115, 175871, 193736, 216184, 242170, 270230, 351742, 387472, 432368, 484340, 540460, 703484, 879355, 968680, 1080920, 1406968, 1758710, 1937360, 2161840, 2813936, 3517420, 7034840, 10728131, 14069680, 21456262, 42912524, 53640655, 85825048, 107281310, 171650096, 214562620, 429125240, 858250480]

約数ペア:

[(1, 858250480), (2, 429125240), (4, 214562620), (5, 171650096), (8, 107281310), (10, 85825048), (16, 53640655), (20, 42912524), (40, 21456262), (61, 14069680), (80, 10728131), (122, 7034840), (244, 3517420), (305, 2813936), (397, 2161840), (443, 1937360), (488, 1758710), (610, 1406968), (794, 1080920), (886, 968680), (976, 879355), (1220, 703484), (1588, 540460), (1772, 484340), (1985, 432368), (2215, 387472), (2440, 351742), (3176, 270230), (3544, 242170), (3970, 216184), (4430, 193736), (4880, 175871), (6352, 135115), (7088, 121085), (7940, 108092), (8860, 96868), (15880, 54046), (17720, 48434), (24217, 35440), (27023, 31760)]