28674400

素因数分解:

$2^5\times 5^2\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:584

約数の個数: 72

約数和(自身を含む): 71104824

約数和(自身を除く): 42430424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 73, 80, 100, 146, 160, 200, 292, 365, 400, 491, 584, 730, 800, 982, 1168, 1460, 1825, 1964, 2336, 2455, 2920, 3650, 3928, 4910, 5840, 7300, 7856, 9820, 11680, 12275, 14600, 15712, 19640, 24550, 29200, 35843, 39280, 49100, 58400, 71686, 78560, 98200, 143372, 179215, 196400, 286744, 358430, 392800, 573488, 716860, 896075, 1146976, 1433720, 1792150, 2867440, 3584300, 5734880, 7168600, 14337200, 28674400]

約数ペア:

[(1, 28674400), (2, 14337200), (4, 7168600), (5, 5734880), (8, 3584300), (10, 2867440), (16, 1792150), (20, 1433720), (25, 1146976), (32, 896075), (40, 716860), (50, 573488), (73, 392800), (80, 358430), (100, 286744), (146, 196400), (160, 179215), (200, 143372), (292, 98200), (365, 78560), (400, 71686), (491, 58400), (584, 49100), (730, 39280), (800, 35843), (982, 29200), (1168, 24550), (1460, 19640), (1825, 15712), (1964, 14600), (2336, 12275), (2455, 11680), (2920, 9820), (3650, 7856), (3928, 7300), (4910, 5840)]