378787840

素因数分解:

$2^{11}\times 5^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:619

約数の個数: 96

約数和(自身を含む): 923438880

約数和(自身を除く): 544651040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 512, 521, 568, 640, 710, 1024, 1042, 1136, 1280, 1420, 2048, 2084, 2272, 2560, 2605, 2840, 4168, 4544, 5120, 5210, 5680, 8336, 9088, 10240, 10420, 11360, 16672, 18176, 20840, 22720, 33344, 36352, 36991, 41680, 45440, 66688, 72704, 73982, 83360, 90880, 133376, 145408, 147964, 166720, 181760, 184955, 266752, 295928, 333440, 363520, 369910, 533504, 591856, 666880, 727040, 739820, 1067008, 1183712, 1333760, 1479640, 2367424, 2667520, 2959280, 4734848, 5335040, 5918560, 9469696, 11837120, 18939392, 23674240, 37878784, 47348480, 75757568, 94696960, 189393920, 378787840]

約数ペア:

[(1, 378787840), (2, 189393920), (4, 94696960), (5, 75757568), (8, 47348480), (10, 37878784), (16, 23674240), (20, 18939392), (32, 11837120), (40, 9469696), (64, 5918560), (71, 5335040), (80, 4734848), (128, 2959280), (142, 2667520), (160, 2367424), (256, 1479640), (284, 1333760), (320, 1183712), (355, 1067008), (512, 739820), (521, 727040), (568, 666880), (640, 591856), (710, 533504), (1024, 369910), (1042, 363520), (1136, 333440), (1280, 295928), (1420, 266752), (2048, 184955), (2084, 181760), (2272, 166720), (2560, 147964), (2605, 145408), (2840, 133376), (4168, 90880), (4544, 83360), (5120, 73982), (5210, 72704), (5680, 66688), (8336, 45440), (9088, 41680), (10240, 36991), (10420, 36352), (11360, 33344), (16672, 22720), (18176, 20840)]