400852020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{619}}^1$

素因数の和:925

約数の個数: 96

約数和(自身を含む): 1154926080

約数和(自身を除く): 754074060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 251, 258, 430, 502, 516, 619, 645, 753, 860, 1004, 1238, 1255, 1290, 1506, 1857, 2476, 2510, 2580, 3012, 3095, 3714, 3765, 5020, 6190, 7428, 7530, 9285, 10793, 12380, 15060, 18570, 21586, 26617, 32379, 37140, 43172, 53234, 53965, 64758, 79851, 106468, 107930, 129516, 133085, 155369, 159702, 161895, 215860, 266170, 310738, 319404, 323790, 399255, 466107, 532340, 621476, 647580, 776845, 798510, 932214, 1553690, 1597020, 1864428, 2330535, 3107380, 4661070, 6680867, 9322140, 13361734, 20042601, 26723468, 33404335, 40085202, 66808670, 80170404, 100213005, 133617340, 200426010, 400852020]

約数ペア:

[(1, 400852020), (2, 200426010), (3, 133617340), (4, 100213005), (5, 80170404), (6, 66808670), (10, 40085202), (12, 33404335), (15, 26723468), (20, 20042601), (30, 13361734), (43, 9322140), (60, 6680867), (86, 4661070), (129, 3107380), (172, 2330535), (215, 1864428), (251, 1597020), (258, 1553690), (430, 932214), (502, 798510), (516, 776845), (619, 647580), (645, 621476), (753, 532340), (860, 466107), (1004, 399255), (1238, 323790), (1255, 319404), (1290, 310738), (1506, 266170), (1857, 215860), (2476, 161895), (2510, 159702), (2580, 155369), (3012, 133085), (3095, 129516), (3714, 107930), (3765, 106468), (5020, 79851), (6190, 64758), (7428, 53965), (7530, 53234), (9285, 43172), (10793, 37140), (12380, 32379), (15060, 26617), (18570, 21586)]