202247680

素因数分解:

$2^9\times 5^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:619

約数の個数: 80

約数和(自身を含む): 488584800

約数和(自身を除く): 286337120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 256, 320, 397, 398, 512, 640, 794, 796, 995, 1280, 1588, 1592, 1985, 1990, 2560, 3176, 3184, 3970, 3980, 6352, 6368, 7940, 7960, 12704, 12736, 15880, 15920, 25408, 25472, 31760, 31840, 50816, 50944, 63520, 63680, 79003, 101632, 101888, 127040, 127360, 158006, 203264, 254080, 254720, 316012, 395015, 508160, 509440, 632024, 790030, 1016320, 1264048, 1580060, 2528096, 3160120, 5056192, 6320240, 10112384, 12640480, 20224768, 25280960, 40449536, 50561920, 101123840, 202247680]

約数ペア:

[(1, 202247680), (2, 101123840), (4, 50561920), (5, 40449536), (8, 25280960), (10, 20224768), (16, 12640480), (20, 10112384), (32, 6320240), (40, 5056192), (64, 3160120), (80, 2528096), (128, 1580060), (160, 1264048), (199, 1016320), (256, 790030), (320, 632024), (397, 509440), (398, 508160), (512, 395015), (640, 316012), (794, 254720), (796, 254080), (995, 203264), (1280, 158006), (1588, 127360), (1592, 127040), (1985, 101888), (1990, 101632), (2560, 79003), (3176, 63680), (3184, 63520), (3970, 50944), (3980, 50816), (6352, 31840), (6368, 31760), (7940, 25472), (7960, 25408), (12704, 15920), (12736, 15880)]