4281620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 11117736

約数和(自身を除く): 6836116

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 257, 340, 476, 490, 514, 595, 833, 980, 1028, 1190, 1285, 1666, 1799, 2380, 2570, 3332, 3598, 4165, 4369, 5140, 7196, 8330, 8738, 8995, 12593, 16660, 17476, 17990, 21845, 25186, 30583, 35980, 43690, 50372, 61166, 62965, 87380, 122332, 125930, 152915, 214081, 251860, 305830, 428162, 611660, 856324, 1070405, 2140810, 4281620]

約数ペア:

[(1, 4281620), (2, 2140810), (4, 1070405), (5, 856324), (7, 611660), (10, 428162), (14, 305830), (17, 251860), (20, 214081), (28, 152915), (34, 125930), (35, 122332), (49, 87380), (68, 62965), (70, 61166), (85, 50372), (98, 43690), (119, 35980), (140, 30583), (170, 25186), (196, 21845), (238, 17990), (245, 17476), (257, 16660), (340, 12593), (476, 8995), (490, 8738), (514, 8330), (595, 7196), (833, 5140), (980, 4369), (1028, 4165), (1190, 3598), (1285, 3332), (1666, 2570), (1799, 2380)]