28564900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:150

約数の個数: 144

約数和(自身を含む): 79133824

約数和(自身を除く): 50568924

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 43, 50, 52, 65, 70, 73, 86, 91, 100, 130, 140, 146, 172, 175, 182, 215, 260, 292, 301, 325, 350, 364, 365, 430, 455, 511, 559, 602, 650, 700, 730, 860, 910, 949, 1022, 1075, 1118, 1204, 1300, 1460, 1505, 1820, 1825, 1898, 2044, 2150, 2236, 2275, 2555, 2795, 3010, 3139, 3650, 3796, 3913, 4300, 4550, 4745, 5110, 5590, 6020, 6278, 6643, 7300, 7525, 7826, 9100, 9490, 10220, 11180, 12556, 12775, 13286, 13975, 15050, 15652, 15695, 18980, 19565, 21973, 23725, 25550, 26572, 27950, 30100, 31390, 33215, 39130, 40807, 43946, 47450, 51100, 55900, 62780, 66430, 78260, 78475, 81614, 87892, 94900, 97825, 109865, 132860, 156950, 163228, 166075, 195650, 204035, 219730, 285649, 313900, 332150, 391300, 408070, 439460, 549325, 571298, 664300, 816140, 1020175, 1098650, 1142596, 1428245, 2040350, 2197300, 2856490, 4080700, 5712980, 7141225, 14282450, 28564900]

約数ペア:

[(1, 28564900), (2, 14282450), (4, 7141225), (5, 5712980), (7, 4080700), (10, 2856490), (13, 2197300), (14, 2040350), (20, 1428245), (25, 1142596), (26, 1098650), (28, 1020175), (35, 816140), (43, 664300), (50, 571298), (52, 549325), (65, 439460), (70, 408070), (73, 391300), (86, 332150), (91, 313900), (100, 285649), (130, 219730), (140, 204035), (146, 195650), (172, 166075), (175, 163228), (182, 156950), (215, 132860), (260, 109865), (292, 97825), (301, 94900), (325, 87892), (350, 81614), (364, 78475), (365, 78260), (430, 66430), (455, 62780), (511, 55900), (559, 51100), (602, 47450), (650, 43946), (700, 40807), (730, 39130), (860, 33215), (910, 31390), (949, 30100), (1022, 27950), (1075, 26572), (1118, 25550), (1204, 23725), (1300, 21973), (1460, 19565), (1505, 18980), (1820, 15695), (1825, 15652), (1898, 15050), (2044, 13975), (2150, 13286), (2236, 12775), (2275, 12556), (2555, 11180), (2795, 10220), (3010, 9490), (3139, 9100), (3650, 7826), (3796, 7525), (3913, 7300), (4300, 6643), (4550, 6278), (4745, 6020), (5110, 5590)]