209288960

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7109}}^1$

素因数の和:7153

約数の個数: 72

約数和(自身を含む): 523182240

約数和(自身を除く): 313893280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2944, 3680, 5888, 7109, 7360, 14218, 14720, 28436, 29440, 35545, 56872, 71090, 113744, 142180, 163507, 227488, 284360, 327014, 454976, 568720, 654028, 817535, 909952, 1137440, 1308056, 1635070, 1819904, 2274880, 2616112, 3270140, 4549760, 5232224, 6540280, 9099520, 10464448, 13080560, 20928896, 26161120, 41857792, 52322240, 104644480, 209288960]

約数ペア:

[(1, 209288960), (2, 104644480), (4, 52322240), (5, 41857792), (8, 26161120), (10, 20928896), (16, 13080560), (20, 10464448), (23, 9099520), (32, 6540280), (40, 5232224), (46, 4549760), (64, 3270140), (80, 2616112), (92, 2274880), (115, 1819904), (128, 1635070), (160, 1308056), (184, 1137440), (230, 909952), (256, 817535), (320, 654028), (368, 568720), (460, 454976), (640, 327014), (736, 284360), (920, 227488), (1280, 163507), (1472, 142180), (1840, 113744), (2944, 71090), (3680, 56872), (5888, 35545), (7109, 29440), (7360, 28436), (14218, 14720)]