2000474980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{349}}^1\times {\mathrm{5849}}^1$

素因数の和:6221

約数の個数: 72

約数和(自身を含む): 4901715000

約数和(自身を除く): 2901240020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 349, 490, 698, 980, 1396, 1745, 2443, 3490, 4886, 5849, 6980, 9772, 11698, 12215, 17101, 23396, 24430, 29245, 34202, 40943, 48860, 58490, 68404, 81886, 85505, 116980, 163772, 171010, 204715, 286601, 342020, 409430, 573202, 818860, 1146404, 1433005, 2041301, 2866010, 4082602, 5732020, 8165204, 10206505, 14289107, 20413010, 28578214, 40826020, 57156428, 71445535, 100023749, 142891070, 200047498, 285782140, 400094996, 500118745, 1000237490, 2000474980]

約数ペア:

[(1, 2000474980), (2, 1000237490), (4, 500118745), (5, 400094996), (7, 285782140), (10, 200047498), (14, 142891070), (20, 100023749), (28, 71445535), (35, 57156428), (49, 40826020), (70, 28578214), (98, 20413010), (140, 14289107), (196, 10206505), (245, 8165204), (349, 5732020), (490, 4082602), (698, 2866010), (980, 2041301), (1396, 1433005), (1745, 1146404), (2443, 818860), (3490, 573202), (4886, 409430), (5849, 342020), (6980, 286601), (9772, 204715), (11698, 171010), (12215, 163772), (17101, 116980), (23396, 85505), (24430, 81886), (29245, 68404), (34202, 58490), (40943, 48860)]