447788480

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19709}}^1$

素因数の和:19797

約数の個数: 56

約数和(自身を含む): 1081369440

約数和(自身を除く): 633580960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 4544, 5680, 11360, 19709, 22720, 39418, 78836, 98545, 157672, 197090, 315344, 394180, 630688, 788360, 1261376, 1399339, 1576720, 2798678, 3153440, 5597356, 6306880, 6996695, 11194712, 13993390, 22389424, 27986780, 44778848, 55973560, 89557696, 111947120, 223894240, 447788480]

約数ペア:

[(1, 447788480), (2, 223894240), (4, 111947120), (5, 89557696), (8, 55973560), (10, 44778848), (16, 27986780), (20, 22389424), (32, 13993390), (40, 11194712), (64, 6996695), (71, 6306880), (80, 5597356), (142, 3153440), (160, 2798678), (284, 1576720), (320, 1399339), (355, 1261376), (568, 788360), (710, 630688), (1136, 394180), (1420, 315344), (2272, 197090), (2840, 157672), (4544, 98545), (5680, 78836), (11360, 39418), (19709, 22720)]