387954160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23203}}^1$

素因数の和:23246

約数の個数: 80

約数和(自身を含む): 1035826560

約数和(自身を除く): 647872400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 16720, 23203, 46406, 92812, 116015, 185624, 232030, 255233, 371248, 440857, 464060, 510466, 881714, 928120, 1020932, 1276165, 1763428, 1856240, 2041864, 2204285, 2552330, 3526856, 4083728, 4408570, 4849427, 5104660, 7053712, 8817140, 9698854, 10209320, 17634280, 19397708, 20418640, 24247135, 35268560, 38795416, 48494270, 77590832, 96988540, 193977080, 387954160]

約数ペア:

[(1, 387954160), (2, 193977080), (4, 96988540), (5, 77590832), (8, 48494270), (10, 38795416), (11, 35268560), (16, 24247135), (19, 20418640), (20, 19397708), (22, 17634280), (38, 10209320), (40, 9698854), (44, 8817140), (55, 7053712), (76, 5104660), (80, 4849427), (88, 4408570), (95, 4083728), (110, 3526856), (152, 2552330), (176, 2204285), (190, 2041864), (209, 1856240), (220, 1763428), (304, 1276165), (380, 1020932), (418, 928120), (440, 881714), (760, 510466), (836, 464060), (880, 440857), (1045, 371248), (1520, 255233), (1672, 232030), (2090, 185624), (3344, 116015), (4180, 92812), (8360, 46406), (16720, 23203)]