198786910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{349}}^1$

素因数の和:545

約数の個数: 64

約数和(自身を含む): 419328000

約数和(自身を除く): 220541090

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 103, 158, 206, 349, 395, 515, 553, 698, 721, 790, 1030, 1106, 1442, 1745, 2443, 2765, 3490, 3605, 4886, 5530, 7210, 8137, 12215, 16274, 24430, 27571, 35947, 40685, 55142, 56959, 71894, 81370, 113918, 137855, 179735, 192997, 251629, 275710, 284795, 359470, 385994, 503258, 569590, 964985, 1258145, 1929970, 2516290, 2839813, 5679626, 14199065, 19878691, 28398130, 39757382, 99393455, 198786910]

約数ペア:

[(1, 198786910), (2, 99393455), (5, 39757382), (7, 28398130), (10, 19878691), (14, 14199065), (35, 5679626), (70, 2839813), (79, 2516290), (103, 1929970), (158, 1258145), (206, 964985), (349, 569590), (395, 503258), (515, 385994), (553, 359470), (698, 284795), (721, 275710), (790, 251629), (1030, 192997), (1106, 179735), (1442, 137855), (1745, 113918), (2443, 81370), (2765, 71894), (3490, 56959), (3605, 55142), (4886, 40685), (5530, 35947), (7210, 27571), (8137, 24430), (12215, 16274)]