199477980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{85247}}^1$

素因数の和:85275

約数の個数: 72

約数和(自身を含む): 651635712

約数和(自身を除く): 452157732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 85247, 170494, 255741, 340988, 426235, 511482, 767223, 852470, 1022964, 1108211, 1278705, 1534446, 1704940, 2216422, 2557410, 3068892, 3324633, 3836115, 4432844, 5114820, 5541055, 6649266, 7672230, 9973899, 11082110, 13298532, 15344460, 16623165, 19947798, 22164220, 33246330, 39895596, 49869495, 66492660, 99738990, 199477980]

約数ペア:

[(1, 199477980), (2, 99738990), (3, 66492660), (4, 49869495), (5, 39895596), (6, 33246330), (9, 22164220), (10, 19947798), (12, 16623165), (13, 15344460), (15, 13298532), (18, 11082110), (20, 9973899), (26, 7672230), (30, 6649266), (36, 5541055), (39, 5114820), (45, 4432844), (52, 3836115), (60, 3324633), (65, 3068892), (78, 2557410), (90, 2216422), (117, 1704940), (130, 1534446), (156, 1278705), (180, 1108211), (195, 1022964), (234, 852470), (260, 767223), (390, 511482), (468, 426235), (585, 340988), (780, 255741), (1170, 170494), (2340, 85247)]