78569600

素因数分解:

$2^7\times 5^2\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:638

約数の個数: 96

約数和(自身を含む): 198953040

約数和(自身を除く): 120383440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 80, 86, 100, 128, 160, 172, 200, 215, 320, 344, 400, 430, 571, 640, 688, 800, 860, 1075, 1142, 1376, 1600, 1720, 2150, 2284, 2752, 2855, 3200, 3440, 4300, 4568, 5504, 5710, 6880, 8600, 9136, 11420, 13760, 14275, 17200, 18272, 22840, 24553, 27520, 28550, 34400, 36544, 45680, 49106, 57100, 68800, 73088, 91360, 98212, 114200, 122765, 137600, 182720, 196424, 228400, 245530, 365440, 392848, 456800, 491060, 613825, 785696, 913600, 982120, 1227650, 1571392, 1827200, 1964240, 2455300, 3142784, 3928480, 4910600, 7856960, 9821200, 15713920, 19642400, 39284800, 78569600]

約数ペア:

[(1, 78569600), (2, 39284800), (4, 19642400), (5, 15713920), (8, 9821200), (10, 7856960), (16, 4910600), (20, 3928480), (25, 3142784), (32, 2455300), (40, 1964240), (43, 1827200), (50, 1571392), (64, 1227650), (80, 982120), (86, 913600), (100, 785696), (128, 613825), (160, 491060), (172, 456800), (200, 392848), (215, 365440), (320, 245530), (344, 228400), (400, 196424), (430, 182720), (571, 137600), (640, 122765), (688, 114200), (800, 98212), (860, 91360), (1075, 73088), (1142, 68800), (1376, 57100), (1600, 49106), (1720, 45680), (2150, 36544), (2284, 34400), (2752, 28550), (2855, 27520), (3200, 24553), (3440, 22840), (4300, 18272), (4568, 17200), (5504, 14275), (5710, 13760), (6880, 11420), (8600, 9136)]