28089320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2333}}^1$

素因数の和:2394

約数の個数: 64

約数和(自身を含む): 73941120

約数和(自身を除く): 45851800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2333, 2408, 3010, 4666, 6020, 9332, 11665, 12040, 16331, 18664, 23330, 32662, 46660, 65324, 81655, 93320, 100319, 130648, 163310, 200638, 326620, 401276, 501595, 653240, 702233, 802552, 1003190, 1404466, 2006380, 2808932, 3511165, 4012760, 5617864, 7022330, 14044660, 28089320]

約数ペア:

[(1, 28089320), (2, 14044660), (4, 7022330), (5, 5617864), (7, 4012760), (8, 3511165), (10, 2808932), (14, 2006380), (20, 1404466), (28, 1003190), (35, 802552), (40, 702233), (43, 653240), (56, 501595), (70, 401276), (86, 326620), (140, 200638), (172, 163310), (215, 130648), (280, 100319), (301, 93320), (344, 81655), (430, 65324), (602, 46660), (860, 32662), (1204, 23330), (1505, 18664), (1720, 16331), (2333, 12040), (2408, 11665), (3010, 9332), (4666, 6020)]