28488870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{907}}^1$

素因数の和:1269

約数の個数: 48

約数和(自身を含む): 74365200

約数和(自身を除く): 45876330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 349, 698, 907, 1047, 1745, 1814, 2094, 2721, 3141, 3490, 4535, 5235, 5442, 6282, 8163, 9070, 10470, 13605, 15705, 16326, 27210, 31410, 40815, 81630, 316543, 633086, 949629, 1582715, 1899258, 2848887, 3165430, 4748145, 5697774, 9496290, 14244435, 28488870]

約数ペア:

[(1, 28488870), (2, 14244435), (3, 9496290), (5, 5697774), (6, 4748145), (9, 3165430), (10, 2848887), (15, 1899258), (18, 1582715), (30, 949629), (45, 633086), (90, 316543), (349, 81630), (698, 40815), (907, 31410), (1047, 27210), (1745, 16326), (1814, 15705), (2094, 13605), (2721, 10470), (3141, 9070), (3490, 8163), (4535, 6282), (5235, 5442)]