213996810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8731}}^1$

素因数の和:8803

約数の個数: 64

約数和(自身を含む): 553259520

約数和(自身を除く): 339262710

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 43, 57, 86, 95, 114, 129, 190, 215, 258, 285, 430, 570, 645, 817, 1290, 1634, 2451, 4085, 4902, 8170, 8731, 12255, 17462, 24510, 26193, 43655, 52386, 87310, 130965, 165889, 261930, 331778, 375433, 497667, 750866, 829445, 995334, 1126299, 1658890, 1877165, 2252598, 2488335, 3754330, 4976670, 5631495, 7133227, 11262990, 14266454, 21399681, 35666135, 42799362, 71332270, 106998405, 213996810]

約数ペア:

[(1, 213996810), (2, 106998405), (3, 71332270), (5, 42799362), (6, 35666135), (10, 21399681), (15, 14266454), (19, 11262990), (30, 7133227), (38, 5631495), (43, 4976670), (57, 3754330), (86, 2488335), (95, 2252598), (114, 1877165), (129, 1658890), (190, 1126299), (215, 995334), (258, 829445), (285, 750866), (430, 497667), (570, 375433), (645, 331778), (817, 261930), (1290, 165889), (1634, 130965), (2451, 87310), (4085, 52386), (4902, 43655), (8170, 26193), (8731, 24510), (12255, 17462)]