199438190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1259}}^1$

素因数の和:1377

約数の個数: 64

約数和(自身を含む): 429649920

約数和(自身を除く): 230211730

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 73, 146, 155, 217, 310, 365, 434, 511, 730, 1022, 1085, 1259, 2170, 2263, 2518, 2555, 4526, 5110, 6295, 8813, 11315, 12590, 15841, 17626, 22630, 31682, 39029, 44065, 78058, 79205, 88130, 91907, 158410, 183814, 195145, 273203, 390290, 459535, 546406, 643349, 919070, 1286698, 1366015, 2732030, 2849117, 3216745, 5698234, 6433490, 14245585, 19943819, 28491170, 39887638, 99719095, 199438190]

約数ペア:

[(1, 199438190), (2, 99719095), (5, 39887638), (7, 28491170), (10, 19943819), (14, 14245585), (31, 6433490), (35, 5698234), (62, 3216745), (70, 2849117), (73, 2732030), (146, 1366015), (155, 1286698), (217, 919070), (310, 643349), (365, 546406), (434, 459535), (511, 390290), (730, 273203), (1022, 195145), (1085, 183814), (1259, 158410), (2170, 91907), (2263, 88130), (2518, 79205), (2555, 78058), (4526, 44065), (5110, 39029), (6295, 31682), (8813, 22630), (11315, 17626), (12590, 15841)]