7964800

素因数分解:

$2^7\times 5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:174

約数の個数: 96

約数和(自身を含む): 20869200

約数和(自身を除く): 12904400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 128, 131, 152, 160, 190, 200, 262, 304, 320, 380, 400, 475, 524, 608, 640, 655, 760, 800, 950, 1048, 1216, 1310, 1520, 1600, 1900, 2096, 2432, 2489, 2620, 3040, 3200, 3275, 3800, 4192, 4978, 5240, 6080, 6550, 7600, 8384, 9956, 10480, 12160, 12445, 13100, 15200, 16768, 19912, 20960, 24890, 26200, 30400, 39824, 41920, 49780, 52400, 60800, 62225, 79648, 83840, 99560, 104800, 124450, 159296, 199120, 209600, 248900, 318592, 398240, 419200, 497800, 796480, 995600, 1592960, 1991200, 3982400, 7964800]

約数ペア:

[(1, 7964800), (2, 3982400), (4, 1991200), (5, 1592960), (8, 995600), (10, 796480), (16, 497800), (19, 419200), (20, 398240), (25, 318592), (32, 248900), (38, 209600), (40, 199120), (50, 159296), (64, 124450), (76, 104800), (80, 99560), (95, 83840), (100, 79648), (128, 62225), (131, 60800), (152, 52400), (160, 49780), (190, 41920), (200, 39824), (262, 30400), (304, 26200), (320, 24890), (380, 20960), (400, 19912), (475, 16768), (524, 15200), (608, 13100), (640, 12445), (655, 12160), (760, 10480), (800, 9956), (950, 8384), (1048, 7600), (1216, 6550), (1310, 6080), (1520, 5240), (1600, 4978), (1900, 4192), (2096, 3800), (2432, 3275), (2489, 3200), (2620, 3040)]