198142980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{471769}}^1$

素因数の和:471788

約数の個数: 48

約数和(自身を含む): 634058880

約数和(自身を除く): 435915900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 471769, 943538, 1415307, 1887076, 2358845, 2830614, 3302383, 4717690, 5661228, 6604766, 7076535, 9435380, 9907149, 13209532, 14153070, 16511915, 19814298, 28306140, 33023830, 39628596, 49535745, 66047660, 99071490, 198142980]

約数ペア:

[(1, 198142980), (2, 99071490), (3, 66047660), (4, 49535745), (5, 39628596), (6, 33023830), (7, 28306140), (10, 19814298), (12, 16511915), (14, 14153070), (15, 13209532), (20, 9907149), (21, 9435380), (28, 7076535), (30, 6604766), (35, 5661228), (42, 4717690), (60, 3302383), (70, 2830614), (84, 2358845), (105, 1887076), (140, 1415307), (210, 943538), (420, 471769)]